Port Bonython Weather Forecast

    • 18
    • 29

    Sunny

    • 19
    • 31

    Sunny

    • 19
    • 31

    Sunny

    • 20
    • 29

    Partly cloudy

    • 18
    • 21

    Possible shower

    • 13
    • 19

    Cloudy

    • 12
    • 21

    Mostly sunny

Today 22 Mar Whyalla

Sunny. Winds southerly 15 to 20 km/h becoming light in the early morning then becoming south to southeasterly 15 to 25 km/h in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Northeast to southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming south to southeasterly 10 to 15 knots in the early afternoon.
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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

March Temperature

Whyalla Airport (24km)

  • Lowest 14 March, 2026

    10.8 °C

  • Average March

    20.9 °C

  • Highest 10 March, 2026

    34.9 °C

Climate (2021–Present)

Whyalla Airport (24km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
Get WillyWeather+ to remove ads