Semaphore Weather Forecast

    • 17
    • 23

    Showers. Possible storm

    • 13
    • 21

    Partly cloudy

    • 13
    • 29

    Shower or two developing

    • 13
    • 19

    Possible shower

    • 10
    • 18

    Cloudy

    • 8
    • 19

    Partly cloudy

    • 9
    • 20

    Partly cloudy

Today 9 Oct Adelaide

Partly cloudy. Very high chance of showers, becoming less likely later this evening. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds north to northwesterly 25 to 35 km/h turning westerly 20 to 30 km/h in the evening.

Adelaide Metropolitan Waters

Wind
Northerly 15 to 20 knots turning westerly in the evening.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm with possible squalls.
Weather Situation
A trough and cold front clear to the east of the state state overnight, as a high pressure system briefly establishes in the north on Saturday. Another series of troughs and cold fronts are expected to enter western SA early on Sunday, crossing the state and then clearing in the east by the end of Monday. A ridge of high pressure will then push into western SA on Monday before the associated high moves into waters south on Tuesday. A trough over the WA/NT border will also extend into SA at times from Monday.
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  • Temperature Forecast Bureau of Meteorology

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Semaphore Temperature Statistics View More

October Temperature

Parafield Airport (13 km)

  • Lowest 6 October, 2026

    6.6 °C

  • Average October

    16.1 °C

  • Highest 7 October, 2026

    23.9 °C

Climate (2021–2026)

Parafield Airport (13 km)

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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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