Port Pirie River - Shag Creek Entrance Weather Forecast

    • 9
    • 20

    Possible shower

    • 10
    • 20

    Shower or two

    • 7
    • 21

    Partly cloudy

    • 8
    • 21

    Mostly sunny

    • 8
    • 20

    Mostly sunny

    • 11
    • 20

    Cloudy

    • 10
    • 20

    Possible shower

Today 18 May Mid North

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 17 and 20.

Spencer Gulf Coastal Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo in the afternoon. Winds turning westerly in the evening.
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

Port Pirie River - Shag Creek Entrance Temperature Statistics View More

May Temperature

Whyalla Airport (48km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.9 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

Whyalla Airport (48km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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