Semaphore Weather Forecast

    • 10
    • 15

    Showers

    • 9
    • 16

    Showers

    • 11
    • 16

    Showers

    • 11
    • 16

    Showers easing

    • 7
    • 16

    Partly cloudy

    • 7
    • 17

    Sunny

    • 8
    • 18

    Sunny

Today 11 Jul Adelaide

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. Winds northerly 20 to 30 km/h increasing to 25 to 40 km/h in the early morning then turning westerly in the middle of the day.

Adelaide Metropolitan Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning westerly 20 to 25 knots in the middle of the day.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
West to southwesterly below 1 metre.
Weather
Cloudy. Near 100% chance of showers.
Weather Situation
A cold front in the Bight will move across the south of SA today followed by a weaker front on Monday. A high pressure system centred near southern WA will begin to dominate the weather pattern across SA 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 5 July, 2026

    1.2 °C

  • Average July

    11.1 °C

  • Highest 9 July, 2026

    18.5 °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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