Cotter River Weather Forecast

    • 7
    • 12

    Partly cloudy

    • 0
    • 12

    Sunny

    • 2
    • 16

    Partly cloudy

    • 6
    • 18

    Shower

    • 11
    • 18

    Shower

    • 9
    • 14

    Shower

    • 7
    • 12

    Shower

Today 4 Sep South West Slopes

Partly cloudy. The chance of morning fog in the south. High chance of showers near the Victorian border, slight chance elsewhere. Winds north to northwesterly 15 to 25 km/h tending west to northwesterly 20 to 30 km/h during the day then becoming light during the evening. Overnight temperatures falling to around 3 with daytime temperatures reaching between 12 and 19.

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  • Temperature Forecast Bureau of Meteorology

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Cotter River Temperature Statistics View More

September Temperature

Tuggeranong (Isabella Plains) (23km)

  • Lowest 1 September, 2025

    -3.2 °C

  • Average September

    7 °C

  • Highest 1 September, 2025

    15.8 °C

Climate (2020–Present)

Tuggeranong (Isabella Plains) (23km)

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  • Average Low 2020–2025

    7.2 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    20.5 °C
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