Semaphore Weather Forecast
- 21
- 32
Clear
- 17
- 26
Partly cloudy
- 15
- 28
Mostly sunny
- 20
- 27
Showers developing
- 13
- 20
Shower or two
- 11
- 21
Partly cloudy
- 11
- 23
Mostly sunny
Today 16 Apr Adelaide
Clear. Light winds.
Adelaide Metropolitan Waters
- Wind
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Westerly below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A trough of low pressure is very slowly moving east across the coastal waters before weakening on Thursday. A stronger trough moves into the west on Friday, with a cold front moving up from the Southern Ocean over the southeastern districts on Saturday. A new high pressure system builds in the Bight on Sunday in the wake of the trough and cold front.
Semaphore Temperature Statistics View More
April Temperature
Adelaide Airport (13km)
Lowest 4 April, 2025
11.2 °CAverage April
19.7 °CHighest 13 April, 2025
33.2 °C
Climate (2020–Present)
Adelaide Airport (13km)
Average Low 2020–2025
12.1 °CAverage 2020–2025
16.7 °CAverage High 2020–2025
21.9 °C