Coleraine Weather Forecast

    • 6
    • 12

    Showers

    • 6
    • 10

    Rain. Windy

    • 3
    • 11

    Shower or two

    • 5
    • 14

    Shower or two

    • 5
    • 14

    Shower or two

    • 5
    • 15

    Shower or two

    • 4
    • 17

    Possible shower

Today 28 Aug South West

Cloudy. Very high chance of showers, most likely in the morning and afternoon with possible small hail in the south. Snow falling above 1100 metres. The chance of a thunderstorm near the coast in the afternoon. Winds west to northwesterly 25 to 35 km/h. Overnight temperatures falling to around 6 with daytime temperatures reaching around 12.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Coleraine Temperature Statistics View More

August Temperature

Casterton (31km)

  • Lowest 1 August, 2025

    -1 °C

  • Average August

    9.5 °C

  • Highest 22 August, 2025

    18 °C

Climate (2020–Present)

Casterton (31km)

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  • Average Low 2020–2025

    8.4 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.8 °C
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