Merriwa Weather Forecast

    • 7
    • 17

    Sunny

    • 11
    • 19

    Showers increasing. Windy

    • 8
    • 16

    Showers easing

    • 9
    • 17

    Showers

    • 11
    • 19

    Showers

    • 9
    • 16

    Showers easing

    • 8
    • 17

    Partly cloudy

Today 19 Jul Perth

Mostly sunny day. The chance of fog and frost about the hills early this morning. Slight chance of a shower late this afternoon and evening. Light winds.

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  • Temperature Forecast Bureau of Meteorology

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Merriwa Temperature Statistics View More

July Temperature

Gingin Airport (26km)

  • Lowest 11 July, 2025

    -0.6 °C

  • Average July

    11.9 °C

  • Highest 6 July, 2025

    21.5 °C

Climate (2020–Present)

Gingin Airport (26km)

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  • Average Low 2020–2025

    11.5 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    26.3 °C
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