Semaphore Weather Forecast

    • 18
    • 27

    Mostly clear

    • 15
    • 29

    Sunny

    • 17
    • 27

    Mostly sunny

    • 17
    • 28

    Mostly sunny

    • 17
    • 25

    Possible shower

    • 15
    • 27

    Mostly sunny

    • 16
    • 28

    Partly cloudy

Today 22 Apr Adelaide

Mostly clear. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the evening.

Adelaide Metropolitan Waters

Wind
Southwesterly below 10 knots tending southerly 10 to 15 knots in the late afternoon then tending southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly clear.
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 again on Saturday and weaken with a high pressure system to follow over waters south of the Bight on Sunday.
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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

    17.3 °C

  • Highest 6 April, 2026

    28.3 °C

Climate (2021–Present)

Parafield Airport (13km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    23.5 °C
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