Port Bonython Weather Forecast

    • 18
    • 30

    Showers. Possible storm

    • 17
    • 30

    Sunny

    • 18
    • 37

    Becoming windy. Partly cloudy

    • 15
    • 29

    Possible shower

    • 16
    • 25

    Becoming windy. Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 13
    • 24

    Partly cloudy

Today 22 Nov Whyalla

Partly cloudy. High chance of showers, becoming less likely this afternoon. The chance of a thunderstorm during the morning and afternoon. Light winds becoming east to southeasterly 20 to 30 km/h in the morning.

Spencer Gulf Coastal Waters

Wind
Northeast to southeasterly 15 to 20 knots tending southeasterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A low pressure trough near the WA border is forecast to move over SA during the weekend, reaching eastern districts late today and clearing to the east of the state on Sunday. A secondary low pressure trough is expected to move into the west late Sunday, clearing to the east of the state late Monday. Followed by another low and trough on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

November Temperature

Whyalla Airport (24km)

  • Lowest 12 November, 2025

    5.1 °C

  • Average November

    17.7 °C

  • Highest 1 November, 2025

    30.3 °C

Climate (2020–Present)

Whyalla Airport (24km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    23.8 °C
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