Semaphore Weather Forecast

    • 9
    • 20

    Mostly sunny

    • 11
    • 20

    Becoming cloudy

    • 13
    • 21

    Partly cloudy

    • 12
    • 17

    Showers

    • 11
    • 17

    Shower or two

    • 9
    • 18

    Shower or two

    • 11
    • 19

    Shower or two

Today 21 May Adelaide

Partly cloudy. Light winds.

Adelaide Metropolitan Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

May Temperature

Parafield Airport (13km)

  • Lowest 10 May, 2026

    6.2 °C

  • Average May

    16 °C

  • Highest 1 May, 2026

    31 °C

Climate (2021–Present)

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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