Cape Thomas Weather Forecast

    • 9
    • 15

    Rain

    • 11
    • 15

    Showers easing

    • 9
    • 14

    Showers

    • 9
    • 14

    Showers easing

    • 11
    • 15

    Shower or two

    • 11
    • 15

    Possible shower

    • 9
    • 15

    Cloudy

Today 9 Aug Lower South East

Cloudy. Very high chance of rain. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the north early this evening. Winds north to northeasterly 15 to 20 km/h becoming light in the late afternoon then becoming southerly 15 to 20 km/h in the late evening.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming southerly 15 to 20 knots in the evening. Winds reaching up to 30 knots offshore in the late evening.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm.
Weather Situation
A low pressure system near Yorke Peninsula and an associated vigorous cold front will continue to move eastwards this evening and overnight before moving out over the eastern states early Monday morning. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday. Another ridge of high pressure pushes into the west of the state on Wednesday, with the associated high moving over South Australia on Thursday.
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

    11.5 °C

  • Highest 6 August, 2026

    15.5 °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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