Semaphore Weather Forecast

    • 7
    • 15

    Mostly clear

    • 6
    • 15

    Mostly sunny

    • 7
    • 17

    Shower or two developing

    • 9
    • 15

    Shower or two

    • 7
    • 14

    Cloudy

    • 6
    • 16

    Partly cloudy

    • 9
    • 17

    Possible shower

Today 31 Jul Adelaide

Mostly clear. Light winds.

Adelaide Metropolitan Waters

Wind
West to northwesterly below 10 knots becoming east to southeasterly in the late afternoon then becoming northeasterly in the late evening.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system, centred over Victoria, will continue extending a ridge across South Australia as it moves into the Tasman Sea on Saturday. A cold front is forecast to move across the Bight from overnight Saturday into Sunday, before moving across southeast SA during Sunday evening, with another high pressure system moving into the Bight behind the front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

July Temperature

Parafield Airport (13km)

  • Lowest 17 July, 2026

    0.1 °C

  • Average July

    10.8 °C

  • Highest 18 July, 2026

    18.9 °C

Climate (2021–2026)

Parafield Airport (13km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.6 °C
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