Cape Thomas Weather Forecast

    • 13
    • 18

    Showers

    • 12
    • 17

    Shower or two

    • 10
    • 15

    Partly cloudy

    • 9
    • 14

    Cloudy

    • 6
    • 15

    Partly cloudy

    • 9
    • 18

    Sunny

    • 12
    • 21

    Sunny

Today 13 Sep Lower South East

Partly cloudy. Very high chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm from late this morning. Winds north to northeasterly 15 to 25 km/h turning west to northwesterly 20 to 30 km/h in the afternoon. Daytime maximum temperatures around 20.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 15 to 20 knots turning westerly in the evening.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 90% chance of showers north of Port MacDonnell, 60% chance elsewhere. The chance of a thunderstorm from late this morning.
Weather Situation
A trough will move across SA today ahead of a high pressure ridge that will build in the wake. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

September Temperature

Robe (10km)

  • Lowest 11 September, 2026

    5.2 °C

  • Average September

    14.1 °C

  • Highest 11 September, 2026

    20.1 °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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