Weeroona Island Weather Forecast

    • 9
    • 20

    Partly cloudy

    • 8
    • 21

    Mostly sunny

    • 9
    • 20

    Becoming cloudy

    • 11
    • 21

    Partly cloudy

    • 11
    • 19

    Shower or two

    • 10
    • 18

    Shower or two

    • 6
    • 17

    Partly cloudy

Today 20 May Mid North

Partly cloudy. The chance of fog in the west early this morning. Medium chance of showers, most likely during the morning and afternoon. Winds west to southwesterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures between 16 and 20.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending south to southwesterly in the morning then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front will moves across the Bight on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Weeroona Island Temperature Statistics View More

May Temperature

Whyalla Airport (48km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.6 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

Whyalla Airport (48km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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