Semaphore Weather Forecast

    • 11
    • 18

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 8
    • 21

    Becoming cloudy

    • 15
    • 23

    Shower or two

    • 13
    • 17

    Showers

    • 9
    • 14

    Showers

    • 9
    • 15

    Showers

Today 22 Aug Adelaide

Partly cloudy. Slight chance of a shower. Winds northerly 15 to 20 km/h tending northwesterly in the middle of the day then becoming light in the late afternoon.

Adelaide Metropolitan Waters

Wind
Northerly 10 to 15 knots becoming variable below 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A weak cold front is in the south east currently with a high pressure ridge is beginning to establish itself. A weak cold front is expected to clip the southeast on Saturday. The high will continue to move southeastwards on Sunday to be in the Tasman Sea on Monday as another front approaches from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

August Temperature

Adelaide Airport (13km)

  • Lowest 19 August, 2025

    4.1 °C

  • Average August

    12 °C

  • Highest 11 August, 2025

    21.2 °C

Climate (2020–Present)

Adelaide Airport (13km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    16.8 °C

  • Average High 2020–2025

    22 °C
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