Merriwa Weather Forecast

    • 10
    • 18

    Possible shower

    • 9
    • 21

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 13
    • 23

    Sunny

    • 15
    • 21

    Showers

    • 11
    • 19

    Partly cloudy

    • 11
    • 19

    Cloudy

Today 27 Aug Perth

Cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds southerly 20 to 30 km/h turning southeasterly 15 to 20 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Merriwa Temperature Statistics View More

August Temperature

Gingin Airport (26km)

  • Lowest 13 August, 2026

    0.2 °C

  • Average August

    12.2 °C

  • Highest 3 August, 2026

    24.8 °C

Climate (2021–2026)

Gingin Airport (26km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    26.2 °C
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