Semaphore Weather Forecast

    • 9
    • 16

    Possible shower

    • 8
    • 17

    Partly cloudy

    • 10
    • 15

    Showers

    • 8
    • 14

    Shower or two

    • 6
    • 14

    Cloudy

    • 5
    • 15

    Partly cloudy

    • 6
    • 16

    Sunny

Today 26 Jul Adelaide

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Light winds.

Adelaide Metropolitan Waters

Wind
North to northwesterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system centred over the state will slowly drift east and weaken over the weekend. A cold front will move up through the Bight and over southern SA on Monday, with a new high pressure system moving into the Bight mid next week.
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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

    10.9 °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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