Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025
Forecast
Greghamstown (33.4667°S, 149.25°E, 946m AMSL) Greghamstown,NSW set as my default location ›
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Seven day forecast
Greghamstown 7 day forecast
Today: Mostly sunny. The chance of fog in the early morning. Slight chance of a shower about the Blue Mountains in the evening. Near zero chance of rain elsewhere. Light winds becoming W/SW 15 to 25 km/h in the morning then tending NE/SE 15 to 20 km/h in the late evening. Overnight temperatures falling to between 11 and 17 with daytime temperatures reaching 23 to 32.
Forecast for Greghamstown (33.4667°S, 149.25°E, 946m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary 
Minimum 10° 8° 9° 7° 7° 8° 9° Maximum 23° 25° 23° 23° 24° 25° 29° Chance of rain 5% 5% 5% 5% 10% 20% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High High High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 21
(km/h)25
(km/h)12
(km/h)23
(km/h)18
(km/h)23
(km/h)16
(km/h)16
(km/h)18
(km/h)13
(km/h)18
(km/h)12
(km/h)16
(km/h)12
(km/h)Wind direction WSW SW W WSW SW SW E SW ENE S ENE S ENE SSW Relative humidity 58% 39% 59% 32% 50% 25% 68% 36% 63% 34% 61% 35% 60% 32% Dew point 10°C 7°C 10°C 6°C 6°C 1°C 9°C 6°C 8°C 6°C 9°C 8°C 11°C 10°C First light 5:22am 5:23am 5:23am 5:24am 5:25am 5:25am 5:26am Sunrise 5:51am 5:52am 5:52am 5:53am 5:53am 5:54am 5:55am Sunset 8:13pm 8:14pm 8:14pm 8:15pm 8:15pm 8:15pm 8:16pm Last light 8:42pm 8:43pm 8:43pm 8:44pm 8:44pm 8:44pm 8:44pm -
Warnings
Weather Warnings
Mon 2:54pm UTC Severe weather advice NSWMon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025Mon 2:54pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:54 PM EDT on Monday 22 December 2025
Valid for Monday 22 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter, Northern Tablelands, Metropolitan and North West Slopes and Plains
Cancellation for the following areas:
Illawarra, Central Tablelands, Southern Tablelands, Central West Slopes and Plains and South Coast
Safety Advice:
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
Maximum temperatures are in the mid to high thirties and overnight minimum temperatures in the mid teens to mid twenties. Heatwave conditions are expected to continue to contract to the northeast of the State over the coming days.
Severe heatwave conditions have eased about the southern coastal areas and the central ranges. Maximum temperatures are in the mid to high twenties with overnight minimum temperatures ranging from around ten degrees across the central ranges to the mid teens closer to the coast. Low intensity heatwave conditions may still affect these areas over the coming days. Locations likely to be impacted include Sydney, Armidale, Grafton, Gosford, Hornsby, Lismore, Liverpool, Mona Vale, Richmond and Taree.
The next heatwave warning will be issued by 3:00pm EDT on Tuesday 23 December 2025For extended forecasts and greater detail visit weather zone° -
Sunrise and sunset times
Sunrise / Sunset for Greghamstown (33.4667°S, 149.25°E, 946m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:22am EDT 5:51am EDT 8:13pm EDT 8:42pm EDT 8:18am EDT 10:44pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Greghamstown sun & moon times
TuesdayFirst light5:22am
EDTSunrise5:51am
EDTSunset8:13pm
EDTLast light8:42pm
EDTMoon phase
Next OccurrenceMoon riseTue
8:18am
EDTMoon setTue
10:44pm
EDTFirst quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
New moonNew moon Mon
Jan 19
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Temperature for next 5 days
0 Tuesday Tuesday 23 1 Wednesday Wednesday 25 2 Thursday Thursday 23 3 Friday Friday 23 4 Saturday Saturday 24 5 Sunday Sunday 25 6 Monday Monday 29 7 Monday Monday 29 -
Rain for next 5 days
0 Tuesday Tuesday 0 1 Wednesday Wednesday 0 2 Thursday Thursday 0 3 Friday Friday 0 4 Saturday Saturday 0 5 Sunday Sunday 0 6 Monday Monday 0 7 Monday Monday 0
