Semaphore South Weather Forecast

    • 18
    • 30

    Partly cloudy

    • 17
    • 23

    Morning shower or two

    • 12
    • 23

    Mostly sunny

    • 13
    • 24

    Partly cloudy

    • 12
    • 25

    Sunny

    • 15
    • 28

    Partly cloudy

    • 19
    • 25

    Shower or two

Today 31 Mar Adelaide

Mostly sunny day. Slight chance of a shower at night. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly in the late morning.

Adelaide Metropolitan Waters

Wind
Northerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system over the Tasman sea extends a weak ridge over SA. A trough over central WA extends over southwest SA, and is forecast to move across the west and south later Tuesday, pushing into the northeast of SA on Wednesday. Another high pressure system is expected to become established south of the Bight late in the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore South Temperature Statistics View More

March Temperature

Parafield Airport (14km)

  • Lowest 27 March, 2026

    7 °C

  • Average March

    20 °C

  • Highest 10 March, 2026

    33.9 °C

Climate (2021–Present)

Parafield Airport (14km)

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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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