Semaphore Weather Forecast

    • 16
    • 29

    Sunny

    • 17
    • 27

    Mostly sunny

    • 17
    • 28

    Shower or two developing

    • 14
    • 22

    Shower or two

    • 12
    • 25

    Mostly sunny

    • 15
    • 26

    Mostly sunny

    • 16
    • 26

    Partly cloudy

Today 23 Apr Adelaide

Sunny. Winds northeasterly 15 to 25 km/h.

Adelaide Metropolitan Waters

Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front will pass over the south on Saturday, weakening and clearing in the east early Sunday. A new high pressure system will develop in the Bight on Sunday, slowly drifting to the southeast on Monday while continuing to extend a ridge over SA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

April Temperature

Parafield Airport (13km)

  • Lowest 15 April, 2026

    7.4 °C

  • Average April

    17.6 °C

  • Highest 21 April, 2026

    31.4 °C

Climate (2021–Present)

Parafield Airport (13km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.5 °C
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