Semaphore Weather Forecast

    • 13
    • 26

    Mostly sunny

    • 17
    • 27

    Showers

    • 19
    • 29

    Mostly sunny

    • 16
    • 23

    Possible shower

    • 13
    • 25

    Possible shower

    • 18
    • 27

    Showers increasing

    • 13
    • 18

    Showers easing

Today 4 Apr Adelaide

Mostly sunny. Winds easterly 15 to 25 km/h.

Adelaide Metropolitan Waters

Wind
Easterly 10 to 15 knots becoming variable below 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure system southeast of the Bight will continue to move southeastwards to be centred southeast of Tasmania by Sunday allowing a trough over WA to link to a weak front south of the Bight moving over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

April Temperature

Parafield Airport (13km)

  • Lowest 2 April, 2026

    10.5 °C

  • Average April

    17.7 °C

  • Highest 1 April, 2026

    24.9 °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

    23.5 °C
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