Port of Whyalla Weather Forecast

    • 20
    • 29

    Shower or two. Possible storm

    • 17
    • 21

    Shower or two. Windy

    • 14
    • 20

    Cloudy

    • 13
    • 22

    Mostly sunny

    • 14
    • 24

    Sunny

    • 15
    • 27

    Sunny

    • 17
    • 31

    Sunny

Today 25 Mar Whyalla

Partly cloudy. High chance of showers. The chance of a thunderstorm from late this morning, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the late morning and afternoon. Winds west to northwesterly 15 to 20 km/h shifting southerly 25 to 35 km/h in the early afternoon.

Spencer Gulf Coastal Waters

Wind
South to southwesterly about 10 knots increasing to 15 to 25 knots in the early morning.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy. The chance of a thunderstorm from late this morning.
Weather Situation
A broad trough lies over SA. A cold front clips the southeast as an upper trough moves up over SA today and tomorrow. A high pressure system develops south of the Bight late in the week and persists over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port of Whyalla Temperature Statistics View More

March Temperature

Whyalla Airport (8km)

  • Lowest 14 March, 2026

    10.8 °C

  • Average March

    21.3 °C

  • Highest 10 March, 2026

    34.9 °C

Climate (2021–Present)

Whyalla Airport (8km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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