Streatham Weather Forecast
- 9
- 19
Shower
- 3
- 12
Shower
- 7
- 15
Shower
- 5
- 12
Shower
- 2
- 15
Shower
- 5
- 17
Shower
- 6
- 16
Shower
Today 19 Sep South West
Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Snow falling above 1100 metres. The chance of a thunderstorm near the coast in the afternoon and evening, with damaging winds in the late afternoon and evening. Possible small hail at night. Damaging winds possible near the Grampians. Winds northerly 20 to 30 km/h turning west to northwesterly 25 to 40 km/h during the morning. Overnight temperatures falling to around 9 with daytime temperatures reaching around 18.
Streatham Temperature Statistics View More
September Temperature
Westmere (11km)
Lowest 18 September, 2025
0.9 °CAverage September
10 °CHighest 15 September, 2025
22.5 °C
Climate (2020–Present)
Westmere (11km)
Average Low 2020–2025
7.6 °CAverage 2020–2025
13.1 °CAverage High 2020–2025
19.7 °C