Thompson Beach Weather Forecast

    • 7
    • 13

    Windy

    • 6
    • 14

    Cloudy

    • 6
    • 15

    Cloudy

    • 4
    • 16

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 7
    • 20

    Shower

    • 11
    • 19

    Shower

Today 30 Aug Mid North

Cloudy. Slight chance of a shower, most likely in the late morning. Winds south to southwesterly 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures between 10 and 13.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southwesterly 10 to 15 knots in the middle of the day.
Seas
1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southeast to southwesterly below 1 metre.
Weather
Cloudy.
Weather Situation
A low pressure system moving east through Bass Strait is producing a weakening but cold south to southwesterly flow over South Australia. A high pressure system over southern WA will move slowly eastwards to be over inland South Australia later in the weekend, remaining near-stationary into early next week. A westerly flow will continue for coastal areas on the southern flank of the high pressure system.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thompson Beach Temperature Statistics View More

August Temperature

Roseworthy (35km)

  • Lowest 18 August, 2025

    0.6 °C

  • Average August

    10.6 °C

  • Highest 14 August, 2025

    20.6 °C

Climate (2020–Present)

Roseworthy (35km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.3 °C

  • Average High 2020–2025

    23.7 °C
Get WillyWeather+ to remove ads