Semaphore Weather Forecast

    • 10
    • 15

    Showers

    • 8
    • 14

    Shower or two

    • 5
    • 14

    Cloudy

    • 7
    • 15

    Cloudy

    • 6
    • 15

    Partly cloudy

    • 7
    • 16

    Mostly sunny

    • 7
    • 15

    Partly cloudy

Today 28 Jul Adelaide

Cloudy. Very high chance of showers, becoming less likely later tonight. Winds northwesterly 20 to 30 km/h turning west to southwesterly 25 to 35 km/h in the late morning.

Adelaide Metropolitan Waters

Wind
Northwesterly 15 to 20 knots turning west to southwesterly during the morning. Winds reaching up to 25 knots south of Port Noarlunga in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres south of Port Noarlunga.
1st Swell
West to southwesterly below 1 metre.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A trough will continue to move over southeastern parts of the state today. A cold front will clip the far southeast this afternoon and evening before a high pressure system moves over the Bight from Wednesday. The high will extend a ridge across the state, as it slowly moves east into NSW by Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Semaphore Temperature Statistics View More

July Temperature

Parafield Airport (13km)

  • Lowest 17 July, 2026

    0.1 °C

  • Average July

    10.9 °C

  • Highest 18 July, 2026

    18.9 °C

Climate (2021–2026)

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