Cape Thomas Weather Forecast

    • 12
    • 18

    Cloudy

    • 11
    • 20

    Cloud clearing

    • 10
    • 24

    Sunny

    • 15
    • 27

    Sunny

    • 18
    • 30

    Mostly sunny

    • 16
    • 22

    Cloudy

    • 12
    • 18

    Cloudy

Today 25 Dec Lower South East

Cloudy. Winds southerly 25 to 35 km/h. Daytime maximum temperatures between 18 and 22.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Southerly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
Weather
Cloudy.
Weather Situation
A broad ridge of high pressure persists across South Australia this week as the high pressure centre moves to the south of the Bight today, continuing eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

December Temperature

Robe (10km)

  • Lowest 16 December, 2025

    8 °C

  • Average December

    17.8 °C

  • Highest 12 December, 2025

    29 °C

Climate (2020–Present)

Robe (10km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    15.9 °C

  • Average High 2020–2025

    18.4 °C
Get WillyWeather+ to remove ads