Cape Thomas Weather Forecast

    • 11
    • 15

    Shower or two

    • 9
    • 15

    Showers increasing. Windy

    • 10
    • 14

    Showers. Becoming windy

    • 9
    • 13

    Shower or two

    • 9
    • 13

    Possible shower

    • 7
    • 13

    Cloudy

    • 7
    • 13

    Partly cloudy

Today 26 Jul Lower South East

Partly cloudy. Patchy morning fog in the north. Medium chance of showers, most likely in the late morning and afternoon. Light winds becoming west to northwesterly 15 to 20 km/h in the morning then becoming light in the evening. Daytime maximum temperatures around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 10 to 15 knots turning northwesterly in the early afternoon. Winds reaching up to 20 knots south of Beachport early in the morning and again in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A strong high pressure system centred over the state will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Thomas Temperature Statistics View More

July Temperature

Robe (10km)

  • Lowest 5 July, 2026

    4.8 °C

  • Average July

    12.3 °C

  • Highest 15 July, 2026

    15.9 °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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