Siding Spring Mountain Weather Forecast

    • 8
    • 26

    Rain

    • 11
    • 19

    Shower

    • 4
    • 18

    Sunny

    • 5
    • 20

    Partly cloudy

    • 5
    • 16

    Shower

    • 5
    • 19

    Sunny

    • 6
    • 22

    Partly cloudy

Today 19 Sep North West Slopes and Plains

Sunny morning. Very high chance of rain, most likely late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening. Winds northeast to southeasterly 15 to 20 km/h tending northwest to northeasterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 25 to 31.

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  • Temperature Forecast Bureau of Meteorology

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Siding Spring Mountain Temperature Statistics View More

September Temperature

Coonabarabran (Showgrounds) (21km)

  • Lowest 1 September, 2025

    -2.2 °C

  • Average September

    14 °C

  • Highest 17 September, 2025

    25 °C

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

    23.5 °C
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