Cape Thomas Weather Forecast

    • 8
    • 19

    Sunny

    • 13
    • 18

    Showers

    • 12
    • 16

    Shower or two

    • 11
    • 14

    Cloudy

    • 8
    • 14

    Cloudy

    • 7
    • 14

    Partly cloudy

    • 8
    • 18

    Sunny

Today 12 Sep Lower South East

Sunny. The chance of morning fog near the eastern border. Light winds becoming northerly 15 to 20 km/h in the morning then tending northeasterly in the evening. Daytime maximum temperatures in the low 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northeasterly about 10 knots tending northerly 10 to 15 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Sunny.
Weather Situation
A trough will approach from the west late on Saturday, move across SA on Sunday with a ridge then extending into the state from a high located southwest of WA. An upper level disturbance will move over the far west on Monday, and a cold front will slip across southern coasts later in the day and early Tuesday. The high will then move across waters to the south throughout the week.
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

    13.7 °C

  • Highest 1 September, 2026

    16.6 °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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