Rivermouth Campground Weather Forecast

    • 10
    • 18

    Showers

    • 7
    • 26

    Sunny

    • 14
    • 28

    Sunny

    • 11
    • 30

    Sunny

    • 15
    • 32

    Mostly sunny

    • 16
    • 22

    Showers

    • 15
    • 22

    Shower or two

Today 17 Sep Mid North Coast

Cloudy. High chance of showers along the coastal fringe, medium chance elsewhere. Winds south to southwesterly 20 to 30 km/h becoming light in the evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching between 13 and 19.

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  • Temperature Forecast Bureau of Meteorology

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Rivermouth Campground Temperature Statistics View More

September Temperature

Williamtown RAAF Base (49km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    16.8 °C

  • Highest 5 September, 2026

    32.8 °C

Climate (2021–2026)

Williamtown RAAF Base (49km)

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  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24 °C
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