Picnic Beach Weather Forecast

    • 12
    • 26

    Shower

    • 14
    • 22

    Shower

    • 12
    • 21

    Cloudy

    • 13
    • 23

    Cloudy

    • 11
    • 23

    Cloudy

    • 12
    • 25

    Cloudy

    • 13
    • 31

    Partly cloudy

Today 20 Dec Lower Eyre Peninsula

Partly cloudy. Medium chance of showers, most likely later this evening. The chance of a thunderstorm later this evening. Winds south to southeasterly 20 to 25 km/h tending east to southeasterly 15 to 20 km/h in the evening.

Lower West Coastal Waters

Elliston to Cape Carnot
Wind
Southeasterly 10 to 15 knots, reaching up to 20 knots inshore in the late afternoon. Winds decreasing to about 10 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Cloudy. 50% chance of showers. The chance of a thunderstorm later this evening.
Weather Situation
A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Picnic Beach Temperature Statistics View More

December Temperature

Cummins Airport (40km)

  • Lowest 7 December, 2025

    1.6 °C

  • Average December

    20.2 °C

  • Highest 18 December, 2025

    41.4 °C

Climate (2020–Present)

Cummins Airport (40km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    15.6 °C

  • Average High 2020–2025

    22.9 °C
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