Whyalla Weather Forecast

    • 8
    • 18

    Clear

    • 4
    • 21

    Sunny

    • 7
    • 23

    Mostly sunny

    • 6
    • 23

    Becoming windy. Sunny

    • 11
    • 19

    Shower or two. Windy

    • 8
    • 19

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 22 May Whyalla

Clear. Winds southerly 15 to 20 km/h becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 10 to 15 knots tending easterly about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over SA coastal waters. The ridge will move eastwards on Friday as a cold front approaches from the west. A series of vigorous cold fronts are expected to move over from the west over the weekend and early next week. A slow-moving high pressure system will become established south of the Bight mid next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Whyalla Temperature Statistics View More

May Temperature

Whyalla Airport (6km)

  • Lowest 20 May, 2025

    0.6 °C
  • Average May

    14.6 °C
  • Highest 5 May, 2025

    29.4 °C

Climate (2020–Present)

Whyalla Airport (6km)

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  • Average Low 2020–2025

    11.8 °C
  • Average 2020–2025

    17.4 °C
  • Average High 2020–2025

    23.8 °C
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