Cape Thomas Weather Forecast

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    Partly cloudy

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    Partly cloudy

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    • 15

    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Cloud clearing

Today 25 Aug Lower South East

Partly cloudy. Slight chance of a shower near the eastern border, near zero chance elsewhere. Winds southwesterly 20 to 30 km/h becoming light in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southwesterly 15 to 20 knots.
Seas
1.5 metres, decreasing to 1 metre later in the evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is moving in from the west and will be centred over central SA on Wednesday, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over 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

    13 °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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