Thompson Beach Weather Forecast

    • 14
    • 21

    Windy

    • 11
    • 24

    Partly cloudy

    • 12
    • 28

    Sunny

    • 16
    • 30

    Partly cloudy

    • 17
    • 24

    Shower

    • 16
    • 26

    Partly cloudy

    • 16
    • 28

    Partly cloudy

Today 12 Mar Mid North

Partly cloudy. Winds south to southeasterly 20 to 30 km/h. Daytime maximum temperatures in the low to mid 20s.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 25 knots turning southeasterly 20 to 25 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure is building across southern SA behind a trough over the north. The ridge will shift south of SA over the Southern Ocean later this week and remain there over the weekend. A trough over inland WA is expected to move into western SA over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thompson Beach Temperature Statistics View More

March Temperature

Roseworthy (35km)

  • Lowest 9 March, 2026

    7.9 °C

  • Average March

    19.8 °C

  • Highest 10 March, 2026

    36.1 °C

Climate (2021–Present)

Roseworthy (35km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.7 °C
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