Port Pirie River - Shag Creek Entrance Weather Forecast

    • 16
    • 33

    Partly cloudy

    • 17
    • 25

    Morning shower or two. Windy

    • 10
    • 25

    Sunny

    • 11
    • 32

    Sunny

    • 15
    • 33

    Sunny

    • 18
    • 34

    Partly cloudy

    • 19
    • 35

    Partly cloudy

Today 5 Dec Mid North

Partly cloudy. Slight chance of a shower in the north, near zero chance elsewhere. Winds west to southwesterly 25 to 35 km/h tending south to southwesterly 15 to 25 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
Southerly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo 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. The chance of a thunderstorm south of Cowell to Wallaroo in the evening.
Weather Situation
A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure system develops south of the Bight on Tuesday.
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

    22 °C
  • Highest 3 December, 2025

    35.6 °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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