Semaphore Weather Forecast

    • 13
    • 26

    Clear

    • 19
    • 31

    Mostly sunny

    • 21
    • 27

    Mostly sunny

    • 15
    • 24

    Showers

    • 13
    • 18

    Showers easing

    • 10
    • 17

    Shower or two

    • 9
    • 18

    Possible shower

Today 21 Oct Adelaide

Clear. Winds easterly 15 to 20 km/h.

Adelaide Metropolitan Waters

Wind
East to southeasterly below 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Clear.
Weather Situation
A slow moving high pressure system in the Tasman Sea maintains a ridge across eastern parts of the state. A trough of low pressure is forecast to move into the west on Thursday, and slowly move eastwards on Friday. Another trough and multiple cold fronts move over the state over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

October Temperature

Parafield Airport (13 km)

  • Lowest 6 October, 2026

    6.6 °C

  • Average October

    17.6 °C

  • Highest 18 October, 2026

    31.3 °C

Climate (2021–2026)

Parafield Airport (13 km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    23.7 °C
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