Coleraine Weather Forecast

    • 5
    • 16

    Early fog

    • 8
    • 16

    Showers increasing

    • 9
    • 14

    Showers easing

    • 5
    • 15

    Cloudy

    • 4
    • 17

    Partly cloudy

    • 7
    • 17

    Shower or two

    • 6
    • 16

    Possible shower

Today 23 Aug South West

Cloudy. Patchy morning fog. Slight chance of a shower. Light winds becoming northwesterly 15 to 25 km/h in the morning then tending northerly 15 to 20 km/h in the evening. Overnight temperatures falling to around 4 with daytime temperatures reaching around 15.

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Coleraine Temperature Statistics View More

August Temperature

Casterton (31km)

  • Lowest 1 August, 2026

    -1.3 °C

  • Average August

    10 °C

  • Highest 17 August, 2026

    17.7 °C

Climate (2021–2026)

Casterton (31km)

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  • Average Low 2021–2026

    8.5 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.8 °C
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