Spencer Gulf Weather Forecast

    • 15
    • 17

    Shower

    • 14
    • 18

    Shower

    • 15
    • 17

    Partly cloudy

    • 14
    • 18

    Partly cloudy

    • 14
    • 17

    Partly cloudy

    • 15
    • 17

    Cloudy

    • 15
    • 17

    Shower

Today 18 May Flinders

Partly cloudy. Patchy morning fog. Slight chance of a shower in the late morning and afternoon. Light winds becoming south to southwesterly 15 to 25 km/h in the morning. Daytime maximum temperatures around 19.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the morning. Winds reaching up to 20 knots north of Cowell to Wallaroo in the afternoon.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure builds in the west. A cold front will move over the south early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

May Temperature

Whyalla Airport (38km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.9 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

Whyalla Airport (38km)

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

  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
Get WillyWeather+ to remove ads