Greta Main Weather Forecast
- 10
- 27
Partly cloudy
- 10
- 31
Partly cloudy
- 12
- 34
Mostly sunny
- 13
- 22
Shower or two
- 11
- 21
Shower or two
- 9
- 23
Partly cloudy
- 8
- 27
Mostly sunny
Today 24 Sep Hunter
Partly cloudy. The chance of fog in the early morning. Medium chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm in the afternoon and evening. Winds northeast to southeasterly 15 to 20 km/h becoming light before dawn then becoming northeast to southeasterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching 23 to 28.
Greta Main Temperature Statistics View More
September Temperature
Cessnock Airport (12km)
Lowest 18 September, 2026
1.5 °CAverage September
16.1 °CHighest 21 September, 2026
35.5 °C
Climate (2021–2026)
Cessnock Airport (12km)
Average Low 2021–2026
11.2 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
24.5 °C