Cape Thomas Weather Forecast

    • 10
    • 17

    Showers

    • 11
    • 16

    Showers. Windy

    • 11
    • 15

    Possible shower

    • 10
    • 15

    Partly cloudy

    • 6
    • 15

    Cloudy

    • 9
    • 14

    Partly cloudy

    • 6
    • 15

    Sunny

Today 4 Sep Lower South East

Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the north in the evening. Winds northerly 20 to 30 km/h. Daytime maximum temperatures around 18.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 15 to 20 knots.
Seas
1.5 to 2 metres, decreasing below 1.5 metres by early evening.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A trough lies near the western border ahead of a cold front moving across the Bight, while a weak ridge of high pressure lies across central Australia. The front and trough will move across SA overnight and into southeastern Australia on Saturday, with a ridge of high pressure developing across SA in its wake. A trough is expected to develop near the western border on Sunday and remain near stationary nearly next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

September Temperature

Robe (10km)

  • Lowest 1 September, 2026

    7.4 °C

  • Average September

    14.3 °C

  • Highest 1 September, 2026

    16.6 °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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