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
Greenwich Park (34.6252°S, 149.9068°E, 703m AMSL) Greenwich Park,NSW set as my default location ›
-
Seven day forecast
Greenwich Park 7 day forecast
Today: Sunny. The chance of fog in the SE in the early morning. Light winds becoming W 20 to 30 km/h in the morning then shifting E/NE 15 to 20 km/h in the evening. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching the low to high 20s.
Forecast for Greenwich Park (34.6252°S, 149.9068°E, 703m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary 
Minimum 12° 10° 11° 8° 6° 8° 9° Maximum 25° 26° 25° 23° 24° 26° 31° Chance of rain 5% 30% 5% 5% 5% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate High High Moderate - - - 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 25
(km/h)27
(km/h)21
(km/h)34
(km/h)9
(km/h)20
(km/h)13
(km/h)18
(km/h)10
(km/h)17
(km/h)13
(km/h)23
(km/h)12
(km/h)18
(km/h)Wind direction W W WNW W NNE SSE SE SSE E SE E ESE ENE ESE Relative humidity 52% 32% 49% 25% 63% 34% 61% 32% 64% 29% 66% 32% 66% 24% Dew point 10°C 6°C 8°C 4°C 12°C 7°C 7°C 5°C 8°C 4°C 11°C 7°C 14°C 6°C First light 5:15am 5:16am 5:16am 5:17am 5:18am 5:18am 5:19am Sunrise 5:45am 5:45am 5:46am 5:47am 5:47am 5:48am 5:48am Sunset 8:15pm 8:15pm 8:16pm 8:16pm 8:16pm 8:17pm 8:17pm Last light 8:44pm 8:45pm 8:45pm 8:46pm 8:46pm 8:46pm 8:47pm -
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 Greenwich Park (34.6252°S, 149.9068°E, 703m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:15am EDT 5:45am EDT 8:15pm EDT 8:44pm EDT 8:12am EDT 10:45pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 Greenwich Park sun & moon times
TuesdayFirst light5:15am
EDTSunrise5:45am
EDTSunset8:15pm
EDTLast light8:44pm
EDTMoon phase
Next OccurrenceMoon riseTue
8:12am
EDTMoon setTue
10:45pm
EDTFirst quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
New moonNew moon Mon
Jan 19
-
Temperature for next 5 days
0 Tuesday Tuesday 25 1 Wednesday Wednesday 26 2 Thursday Thursday 25 3 Friday Friday 23 4 Saturday Saturday 24 5 Sunday Sunday 26 6 Monday Monday 31 7 Monday Monday 31 -
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
