Cap Island Weather Forecast

    • 16
    • 19

    Partly cloudy

    • 17
    • 19

    Partly cloudy

    • 18
    • 22

    Shower

    • 19
    • 19

    Shower

    • 17
    • 19

    Windy

    • 17
    • 19

    Windy

    • 18
    • 21

    Partly cloudy

Today 19 Feb West Coast

Mostly sunny. The chance of fog south of Streaky Bay early this morning. Winds southeasterly 15 to 20 km/h becoming light in the early morning then becoming south to southeasterly 20 to 30 km/h in the morning. Daytime maximum temperatures 27 to 34.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Variable about 10 knots becoming southerly 15 to 20 knots in the middle of the day then tending southeasterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Mostly sunny.
Weather Situation
A ridge of high pressure across the south of SA will weaken during Saturday as a broad trough of low pressure extends across the west and north. The trough will move eastwards during Sunday and a cold front will move across the south. A broad area of low pressure will persist across the north early next week and a high pressure ridge will become established over waters to the south.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cap Island Temperature Statistics View More

February Temperature

Cummins Airport (64km)

  • Lowest 4 February, 2026

    6.5 °C

  • Average February

    21.3 °C

  • Highest 10 February, 2026

    39.7 °C

Climate (2021–Present)

Cummins Airport (64km)

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

  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    15.6 °C

  • Average High 2021–2026

    22.9 °C
Get WillyWeather+ to remove ads