Mount Saint Thomas Weather Forecast

    • 16
    • 27

    Clear

    • 16
    • 31

    Possible late shower

    • 13
    • 15

    Showers

    • 12
    • 17

    Cloudy

    • 10
    • 20

    Mostly sunny

    • 12
    • 25

    Sunny

    • 14
    • 28

    Sunny

Today 25 Sep Wollongong

Mostly clear. Slight chance of a shower early this evening. The chance of a thunderstorm early this evening. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly 15 to 20 km/h in the evening then becoming light in the late evening.

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Mount Saint Thomas Temperature Statistics View More

September Temperature

Bellambi (9km)

  • Lowest 16 September, 2026

    9.2 °C

  • Average September

    17.2 °C

  • Highest 5 September, 2026

    30.7 °C

Climate (2021–2026)

Bellambi (9km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18 °C

  • Average High 2021–2026

    21.8 °C
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