Port Bonython Weather Forecast

    • 18
    • 30

    Possible storm

    • 17
    • 29

    Sunny

    • 18
    • 39

    Possible storm

    • 15
    • 29

    Mostly sunny

    • 15
    • 26

    Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 13
    • 24

    Possible shower

Today 22 Nov Whyalla

Mostly clear. Slight chance of a shower. The chance of a thunderstorm early this evening. Winds easterly 20 to 25 km/h tending southeasterly 20 to 30 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
Easterly 10 to 15 knots tending southeasterly in the evening. Winds reaching up to 20 knots south of Cowell to Wallaroo in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly around 1 metre.
Weather
Mostly clear. The chance of a thunderstorm early this evening.
Weather Situation
A low pressure trough over central waters continues to move east reaching eastern waters late Saturday and clearing to the east on Sunday A secondary low pressure trough is expected to move into western waters late Sunday clearing to the east late Monday. A broad westerly flow develops ahead of another trough expected to move into western waters late 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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