Merredin Weather Forecast

    • 20
    • 34

    Mostly sunny

    • 15
    • 34

    Sunny

    • 15
    • 33

    Mostly sunny

    • 16
    • 31

    Sunny

    • 11
    • 33

    Sunny

    • 14
    • 34

    Sunny

    • 14
    • 36

    Sunny

Today 17 Dec Central Wheat Belt

Mostly sunny day. The chance of a thunderstorm in the northeast in the late afternoon and evening. Winds southwesterly 15 to 20 km/h becoming light before dawn then becoming southwesterly 20 to 30 km/h in the early morning. Overnight temperatures falling to between 17 and 24 with daytime temperatures reaching 32 to 38.

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Merredin Temperature Statistics View More

December Temperature

Cunderdin Airport (101km)

  • Lowest 7 December, 2025

    10.2 °C

  • Average December

    25.3 °C

  • Highest 2 December, 2025

    42.2 °C

Climate (2020–Present)

Cunderdin Airport (101km)

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  • Average Low 2020–2025

    10.5 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    26.5 °C
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