Semaphore Weather Forecast

    • 12
    • 18

    Showers

    • 10
    • 19

    Possible shower

    • 11
    • 20

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 12
    • 19

    Morning shower or two

    • 8
    • 21

    Sunny

    • 11
    • 25

    Sunny

Today 2 Oct Adelaide

Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm about the northern suburbs in the late morning and afternoon. Winds southerly 20 to 30 km/h.

Adelaide Metropolitan Waters

Wind
Southerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Brighton during the afternoon.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A low pressure trough in the north and east is slowly moving east. Another trough in the southeast with a low pressure system developing near the Victorian border during today will also slowly move east. In the west, a high pressure system will move into the Bight and slowly move east to be centred over Victoria on Monday, while extending a ridge into parts of the state. Another trough near the WA border is expected to develop from Saturday and extend into the state before weakening by Monday.
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  • Temperature Forecast Bureau of Meteorology

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Semaphore Temperature Statistics View More

October Temperature

Parafield Airport (13km)

  • Lowest 1 October, 2026

    16.1 °C

  • Average October

    17.9 °C

  • Highest

    –

Climate (2021–2026)

Parafield Airport (13km)

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  • Average Low 2021–2026

    11.3 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.6 °C
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