Semaphore Weather Forecast

    • 15
    • 30

    Sunny

    • 14
    • 26

    Partly cloudy

    • 15
    • 27

    Cloud clearing

    • 16
    • 31

    Sunny

    • 20
    • 34

    Mostly sunny

    • 22
    • 34

    Mostly sunny

    • 18
    • 32

    Cloud clearing

Today 14 Jan Adelaide

Sunny. Winds east to southeasterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h in the middle of the day then tending southerly in the late afternoon.

Adelaide Metropolitan Waters

Wind
Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming south to southwesterly 15 to 20 knots in the middle of the day. Winds reaching up to 25 knots north of Brighton in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon, increasing to 2 metres north of Grange by early evening.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure south of SA will persist over the coming days, with the high centre moving to the south of the Bight on Thursday. The high will continue moving eastwards into the Tasman Sea later over the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

January Temperature

Parafield Airport (13km)

  • Lowest 11 January, 2026

    10.5 °C

  • Average January

    23.9 °C

  • Highest 8 January, 2026

    44.9 °C

Climate (2021–Present)

Parafield Airport (13km)

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  • Average Low 2021–2026

    11.1 °C

  • Average 2021–2026

    17 °C

  • Average High 2021–2026

    23.5 °C
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