Semaphore South Weather Forecast
- 5
- 17
Mostly clear
- 6
- 18
Sunny
- 8
- 17
Mostly sunny
- 9
- 18
Mostly sunny
- 10
- 18
Partly cloudy
- 10
- 16
Showers
- 8
- 15
Possible shower
Today 17 Jul Adelaide
Mostly clear. Light winds.
Adelaide Metropolitan Waters
- Wind
- East to northeasterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- A strong high pressure system over VIC will continue to extend a ridge over SA. A weak trough develops in the west on Tuesday.
Semaphore South Temperature Statistics View More
July Temperature
Parafield Airport (14km)
Lowest 5 July, 2026
1.2 °CAverage July
11.2 °CHighest 9 July, 2026
18.5 °C
Climate (2021–2026)
Parafield Airport (14km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
23.6 °C