Cape Thomas Weather Forecast

    • 11
    • 15

    Showers

    • 11
    • 15

    Shower or two

    • 11
    • 15

    Possible shower

    • 10
    • 15

    Possible shower

    • 10
    • 15

    Shower or two

    • 9
    • 15

    Shower or two

    • 9
    • 15

    Shower or two

Today 20 Aug Lower South East

Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the south in the afternoon and evening. Winds northwesterly 25 to 35 km/h turning westerly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northwesterly 15 to 20 knots increasing to 25 knots before turning westerly 15 to 20 knots in the early afternoon.
Seas
1.5 metres, increasing to 1 to 2 metres inshore.
1st Swell
Westerly 2.5 to 3 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm south of Beachport in the afternoon and evening.
Weather Situation
A cold front clears to the east Wednesday evening. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday, as a ridge of high pressure is expected to approach South Australia from the west. The high centre is expected to linger over the state on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

August Temperature

Robe (10km)

  • Lowest 1 August, 2026

    4.7 °C

  • Average August

    12.9 °C

  • Highest 17 August, 2026

    18 °C

Climate (2021–2026)

Robe (10km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    16 °C

  • Average High 2021–2026

    18.5 °C
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