Cassilis Weather Forecast

    • 16
    • 32

    Shower

    • 14
    • 31

    Partly cloudy

    • 13
    • 25

    Cloudy

    • 12
    • 28

    Partly cloudy

    • 11
    • 33

    Sunny

    • 16
    • 37

    Partly cloudy

    • 19
    • 35

    Shower

Today 14 Dec Central Tablelands

Partly cloudy. Medium chance of showers, most likely in the early morning. The chance of a thunderstorm in the early morning. Winds west to northwesterly 15 to 25 km/h increasing to 35 km/h before tending west to southwesterly 15 to 20 km/h during the day. Overnight temperatures falling to between 12 and 17 with daytime temperatures reaching 24 to 31.

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Cassilis Temperature Statistics View More

December Temperature

Merriwa (Roscommon) (27km)

  • Lowest 3 December, 2025

    5.4 °C

  • Average December

    21.5 °C

  • Highest 6 December, 2025

    38.9 °C

Climate (2020–Present)

Merriwa (Roscommon) (27km)

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  • Average Low 2020–2025

    9 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    23.7 °C
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