Port Pirie River - Shag Creek Entrance Weather Forecast

    • 12
    • 18

    Cloudy

    • 7
    • 19

    Partly cloudy

    • 6
    • 21

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 5
    • 21

    Sunny

    • 5
    • 24

    Sunny

Today 5 Sep Mid North

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Damaging winds possible. Winds west to southwesterly 35 to 50 km/h decreasing to 15 to 25 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the late evening.
Seas
1.5 to 2.5 metres, decreasing below 1.5 metres later in the evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Cloudy.
Weather Situation
A trough and cold front moved across SA early on Saturday and will continue to move away to the east overnight. A ridge of high pressure will follow and move over SA overnight and on Sunday. Another cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Pirie River - Shag Creek Entrance Temperature Statistics View More

September Temperature

Whyalla Airport (48km)

  • Lowest 3 September, 2026

    6.7 °C

  • Average September

    14.6 °C

  • Highest 1 September, 2026

    27.7 °C

Climate (2021–2026)

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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