Semaphore South Weather Forecast

    • 13
    • 24

    Cloud clearing

    • 11
    • 28

    Sunny

    • 15
    • 32

    Sunny

    • 19
    • 36

    Sunny

    • 23
    • 38

    Sunny

    • 21
    • 29

    Partly cloudy

    • 13
    • 23

    Partly cloudy

Today 25 Dec Adelaide

Cloud clearing. Winds southeasterly 20 to 30 km/h increasing to 25 to 35 km/h in the late afternoon.

Adelaide Metropolitan Waters

Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots north of Grange in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Brighton during the afternoon.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Cloud clearing.
Weather Situation
A broad ridge of high pressure persists across South Australia this week as the high pressure centre moves to the south of the Bight today, continuing eastwards on Friday, to be south of Tasmania on Saturday. The next cold front crosses south of the Bight on Sunday dragging a low pressure trough across western parts of the State.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore South Temperature Statistics View More

December Temperature

Parafield Airport (14km)

  • Lowest 7 December, 2025

    7.4 °C

  • Average December

    21.2 °C

  • Highest 18 December, 2025

    42.1 °C

Climate (2020–Present)

Parafield Airport (14km)

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  • Average Low 2020–2025

    11.1 °C

  • Average 2020–2025

    17 °C

  • Average High 2020–2025

    23.4 °C
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