Semaphore Weather Forecast
- 9
- 15
Shower or two
- 9
- 17
Showers increasing
- 9
- 15
Showers easing
- 9
- 17
Shower or two
- 9
- 16
Possible shower
- 8
- 17
Partly cloudy
- 7
- 16
Partly cloudy
Today 10 Aug Adelaide
Cloudy. Medium chance of showers. Winds westerly 20 to 30 km/h tending northwesterly 15 to 20 km/h in the late evening.
Adelaide Metropolitan Waters
- Wind
- West to southwesterly 15 to 20 knots tending west to northwesterly 10 to 15 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre later in the evening.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system is located just to the northeast of the state, ahead of a cold front forecast to move across the state from Tuesday and early Wednesday. A ridge of high pressure then pushes into the west of the state on Wednesday, with the associated high moving over the rest of SA on Thursday.
Semaphore Temperature Statistics View More
August Temperature
Parafield Airport (13km)
Lowest 5 August, 2026
1.3 °CAverage August
11.3 °CHighest 7 August, 2026
20.2 °C
Climate (2021–2026)
Parafield Airport (13km)
Average Low 2021–2026
11.2 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
23.6 °C