Port Bonython Weather Forecast

    • 12
    • 29

    Sunny

    • 14
    • 22

    Mostly sunny

    • 12
    • 28

    Sunny

    • 17
    • 29

    Partly cloudy

    • 15
    • 24

    Cloud clearing

    • 13
    • 29

    Mostly sunny

    • 17
    • 27

    Sunny

Today 16 Apr Whyalla

Sunny. Winds north to northwesterly 15 to 20 km/h becoming light in the middle of the day then becoming southerly 15 to 20 km/h in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the middle of the day.
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
Sunny.
Weather Situation
A high pressure system centred over eastern NSW will allow a cold front to move across the far southeast of SA today. A second high pressure system is expected to move south of the Bight during Friday and Saturday ahead of another trough expected to brush the west and south on the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

April Temperature

Whyalla Airport (24km)

  • Lowest 15 April, 2026

    8.5 °C

  • Average April

    18.8 °C

  • Highest 6 April, 2026

    34.7 °C

Climate (2021–Present)

Whyalla Airport (24km)

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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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