Coleraine Weather Forecast
- 7
- 19
Cloudy
- 8
- 28
Sunny
- 18
- 31
Partly cloudy
- 10
- 25
Partly cloudy
- 10
- 19
Shower or two
- 6
- 20
Partly cloudy
- 9
- 25
Partly cloudy
Today 2 Dec South West
Cloudy. Slight chance of a shower in the morning and early afternoon. Winds westerly 15 to 25 km/h becoming light in the evening. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 18.
Coleraine Temperature Statistics View More
December Temperature
Casterton (31km)
Lowest 1 December, 2025
7.3 °CAverage December
9.4 °CHighest
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Climate (2020–Present)
Casterton (31km)
Average Low 2020–2025
8.4 °CAverage 2020–2025
13.5 °CAverage High 2020–2025
19.6 °C