Port Pirie River - Shag Creek Entrance Weather Forecast

    • 20
    • 40

    Late cool change

    • 16
    • 33

    Partly cloudy

    • 17
    • 25

    Morning shower or two

    • 11
    • 25

    Sunny

    • 11
    • 32

    Sunny

    • 15
    • 33

    Mostly sunny

    • 17
    • 34

    Sunny

Today 4 Dec Mid North

Mostly sunny. Winds northerly 25 to 40 km/h tending northwesterly 30 to 45 km/h in the morning then shifting south to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures 34 to 39.

Extreme Fire Danger Rating

Take action now to protect life and property

Spencer Gulf Coastal Waters

Wind
North to northwesterly 15 to 20 knots shifting southerly during the afternoon and evening. Winds reaching up to 30 knots in the north in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
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 extends over SA from the east, as a low pressure trough moves into the west during the morning. The trough is expected to move eastwards during Thursday. A ridge of high pressure is then forecast to build over the Bight on Friday and a weak cold front will move across the southern coastal districts on Saturday. The high will slowly move eastwards on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Pirie River - Shag Creek Entrance Temperature Statistics View More

December Temperature

Whyalla Airport (48km)

  • Lowest 2 December, 2025

    10.2 °C

  • Average December

    18 °C

  • Highest 2 December, 2025

    25.2 °C

Climate (2020–Present)

Whyalla Airport (48km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    23.7 °C
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