Semaphore Weather Forecast

    • 13
    • 21

    Mostly clear

    • 10
    • 19

    Shower or two

    • 13
    • 19

    Showers easing

    • 11
    • 20

    Shower or two

    • 9
    • 19

    Partly cloudy

    • 9
    • 19

    Mostly sunny

    • 11
    • 19

    Possible shower

Today 17 May Adelaide

Mostly clear. Slight chance of a shower about the hills, near zero chance elsewhere. The chance of fog later tonight. Light winds.

Adelaide Metropolitan Waters

Wind
South to southwesterly below 10 knots becoming east to southeasterly in the late afternoon.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A ridge of high pressure builds in the west. A cold front will move over the south late Monday and early Tuesday, followed by a high pressure system, which will linger in the Bight midweek.
Graph Plots Open in Graphs

  • 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

    16.3 °C

  • Highest 1 May, 2026

    31 °C

Climate (2021–Present)

Parafield Airport (13km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    23.6 °C
Get WillyWeather+ to remove ads