Port Pirie River - Shag Creek Entrance Weather Forecast

    • 14
    • 29

    Cloudy

    • 14
    • 24

    Rain. Possible storm

    • 9
    • 22

    Shower or two

    • 4
    • 23

    Sunny

    • 7
    • 23

    Partly cloudy

    • 7
    • 26

    Mostly sunny

    • 8
    • 21

    Partly cloudy

Today 30 Sep Mid North

Cloudy. Slight chance of a shower, most likely this evening. The chance of a thunderstorm this evening. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the early morning then becoming light in the late afternoon. Daytime maximum temperatures 25 to 30.

Spencer Gulf Coastal Waters

Wind
Northwest to southwesterly 10 to 15 knots becoming variable about 10 knots in the early morning.
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. 80% chance of showers south of Port Neill to Port Victoria, 50% chance elsewhere. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
A series of slow moving troughs will move across the state today and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
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 11 September, 2026

    3.4 °C

  • Average September

    16.3 °C

  • Highest 20 September, 2026

    32.9 °C

Climate (2021–2026)

Whyalla Airport (48km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.6 °C

  • Average High 2021–2026

    23.8 °C
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