Siding Spring Mountain Weather Forecast

    • 8
    • 22

    Partly cloudy

    • 10
    • 28

    Sunny

    • 14
    • 30

    Sunny

    • 17
    • 34

    Sunny

    • 20
    • 37

    Partly cloudy

    • 21
    • 32

    Shower

    • 15
    • 33

    Partly cloudy

Today 2 Dec North West Slopes and Plains

Sunny. Winds southwesterly 25 to 35 km/h tending south to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching 23 to 29.

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Siding Spring Mountain Temperature Statistics View More

December Temperature

Coonabarabran (Showgrounds) (21km)

  • Lowest 1 December, 2025

    6.3 °C

  • Average December

    18 °C

  • Highest

    –

Climate (2020–Present)

Coonabarabran (Showgrounds) (21km)

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  • Average Low 2020–2025

    8.5 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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