Spencer Gulf Weather Forecast

    • 15
    • 17

    Partly cloudy

    • 14
    • 18

    Partly cloudy

    • 15
    • 17

    Partly cloudy

    • 16
    • 18

    Partly cloudy

    • 15
    • 17

    Shower

    • 14
    • 17

    Shower

    • 13
    • 16

    Partly cloudy

Today 20 May Flinders

Mostly sunny. Slight chance of a shower near the coast, near zero chance elsewhere. The chance of morning fog west of the ranges. Light winds becoming south to southwesterly 15 to 20 km/h in the morning then becoming light in the evening. Daytime maximum temperatures between 17 and 20.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending south to southwesterly in the morning then becoming variable about 10 knots in the evening.
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
Partly cloudy.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front will moves across the Bight on Saturday.
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

    15.6 °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