Merriwa Weather Forecast

    • 19
    • 32

    Sunny

    • 21
    • 31

    Sunny

    • 21
    • 34

    Sunny

    • 20
    • 35

    Sunny

    • 24
    • 34

    Sunny

    • 20
    • 29

    Sunny

    • 17
    • 31

    Sunny

Today 29 Jan Perth

Sunny. The chance of smoke haze about the northern suburbs early this morning. Winds easterly 25 to 35 km/h shifting south to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Merriwa Temperature Statistics View More

January Temperature

Gingin Airport (26km)

  • Lowest 27 January, 2026

    9.5 °C

  • Average January

    23.5 °C

  • Highest 21 January, 2026

    42.4 °C

Climate (2021–Present)

Gingin Airport (26km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    26.2 °C
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