Thompson Beach Weather Forecast

    • 19
    • 39

    Windy

    • 17
    • 25

    Windy

    • 12
    • 24

    Windy

    • 11
    • 28

    Windy

    • 13
    • 33

    Sunny

    • 16
    • 29

    Cloudy

    • 15
    • 27

    Partly cloudy

Today 29 Dec Mid North

Sunny. Winds northeasterly 15 to 25 km/h shifting southerly 25 to 35 km/h in the late afternoon. Daytime maximum temperatures around 40.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Port Vincent to Brighton.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A trough over central coasts will move down southern coasts during Monday evening. Behind this trough a weak ridge of high pressure will develop south of the Bight, persisting into Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thompson Beach Temperature Statistics View More

December Temperature

Roseworthy (35km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    21.1 °C

  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Roseworthy (35km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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