Semaphore Weather Forecast

    • 11
    • 27

    Partly cloudy

    • 19
    • 32

    Becoming cloudy

    • 16
    • 25

    Possible shower

    • 15
    • 21

    Showers

    • 10
    • 19

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 9
    • 22

    Mostly sunny

Today 28 Sep Adelaide

Partly cloudy. Winds easterly 15 to 25 km/h turning northeasterly 20 to 30 km/h in the late morning and afternoon.

Adelaide Metropolitan Waters

Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming east to northeasterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots north of Grange in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southeastern SA. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday and reaching the far northeast on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

September Temperature

Parafield Airport (13km)

  • Lowest 18 September, 2026

    2.2 °C

  • Average September

    14.7 °C

  • Highest 24 September, 2026

    27.3 °C

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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