Port Bonython Weather Forecast

    • 17
    • 26

    Becoming windy. Mostly sunny

    • 18
    • 29

    Sunny

    • 18
    • 36

    Sunny

    • 19
    • 26

    Becoming windy. Sunny

    • 18
    • 29

    Becoming windy. Partly cloudy

    • 20
    • 30

    Becoming windy. Sunny

    • 20
    • 32

    Sunny

Today 16 Jan Whyalla

Clear. Winds southerly 35 to 45 km/h decreasing to 30 to 35 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
South to southwesterly below 1 metre.
Weather
Cloud clearing.
Weather Situation
A ridge of high pressure south of SA will persist over the coming days, with the high centre moving to the southeast, to be south of Tasmania today and to the Tasman Sea later over the weekend. The ridge lingers into tomorrow. On Sunday a trough will begin to move in from the west, reaching central districts by the evening and into the northeast early next week.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

January Temperature

Whyalla Airport (24km)

  • Lowest 6 January, 2026

    15 °C
  • Average January

    23.6 °C
  • Highest 8 January, 2026

    47.8 °C

Climate (2021–Present)

Whyalla Airport (24km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    11.8 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
Get WillyWeather+ to remove ads