Osterley Weather Forecast
- 19
- 27
Shower or two
- 18
- 24
Showers. Possible storm
- 17
- 25
Showers
- 15
- 31
Shower or two
- 17
- 33
Mostly sunny
- 19
- 26
Shower or two
- 17
- 24
Cloudy
Today 10 Dec Hunter
Partly cloudy. High chance of showers near the coast, medium chance elsewhere. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the late afternoon then tending south to southeasterly in the late evening. Daytime maximum temperatures 27 to 34.
Osterley Temperature Statistics View More
December Temperature
Tocal (14km)
Lowest 3 December, 2025
9.5 °CAverage December
23.7 °CHighest 6 December, 2025
41.6 °C
Climate (2020–Present)
Tocal (14km)
Average Low 2020–2025
12.5 °CAverage 2020–2025
17.9 °CAverage High 2020–2025
24.4 °C