Semaphore South Weather Forecast
- 21
- 27
Mostly sunny
- 15
- 26
Rain increasing
- 13
- 17
Showers
- 10
- 18
Shower or two
- 10
- 19
Possible shower
- 11
- 20
Mostly sunny
- 13
- 23
Partly cloudy
Today 23 Oct Adelaide
Mostly sunny. Slight chance of a shower, most likely at night. The chance of a thunderstorm about the northern suburbs in the late morning and afternoon. Light winds becoming northwest to southwesterly 15 to 20 km/h in the morning then tending south to southeasterly 15 to 25 km/h in the late afternoon.
Adelaide Metropolitan Waters
- Wind
- Variable below 10 knots becoming southwesterly 10 to 15 knots in the middle of the day then turning south to southeasterly in the late afternoon. Winds reaching up to 20 knots north of Grange in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Mostly sunny.
Semaphore South Temperature Statistics View More
October Temperature
Parafield Airport (14 km)
Lowest 6 October, 2026
6.6 °CAverage October
18 °CHighest 18 October, 2026
31.3 °C
Climate (2021–2026)
Parafield Airport (14 km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
23.7 °C