Casterton Weather Forecast
- 11
- 34
Mostly sunny
- 13
- 33
Partly cloudy
- 18
- 26
Showers
- 9
- 24
Mostly sunny
- 9
- 27
Possible shower
- 11
- 24
Cloudy
- 10
- 29
Partly cloudy
Today 20 Feb South West
Mostly sunny. Winds north to northwesterly 15 to 25 km/h shifting south to southwesterly 20 to 30 km/h in the afternoon. Daytime maximum temperatures in the low to mid 30s.
Casterton Temperature Statistics View More
February Temperature
Casterton (5km)
Lowest 2 February, 2026
3.7 °CAverage February
18 °CHighest 16 February, 2026
36.7 °C
Climate (2021–Present)
Casterton (5km)
Average Low 2021–2026
8.4 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
19.7 °C