Coleraine Weather Forecast

    • 12
    • 25

    Windy. Partly cloudy

    • 14
    • 23

    Showers

    • 12
    • 19

    Rain

    • 7
    • 15

    Shower or two

    • 6
    • 15

    Cloudy

    • 4
    • 19

    Partly cloudy

    • 6
    • 21

    Possible shower

Today 29 Sep South West

Partly cloudy. Slight chance of a shower near the coast, near zero chance elsewhere. Winds northerly 25 to 40 km/h. Daytime maximum temperatures in the low to mid 20s.

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Coleraine Temperature Statistics View More

September Temperature

Casterton (31km)

  • Lowest 22 September, 2026

    -1.3 °C

  • Average September

    11.3 °C

  • Highest 19 September, 2026

    24.8 °C

Climate (2021–2026)

Casterton (31km)

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  • Average Low 2021–2026

    8.5 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    19.8 °C
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