Semaphore Weather Forecast
- 11
- 20
Mostly sunny
- 9
- 21
Mostly sunny
- 9
- 23
Sunny
- 12
- 25
Mostly sunny
- 16
- 26
Mostly sunny
- 16
- 27
Mostly sunny
- 14
- 26
Shower or two
Today 30 Apr Adelaide
Mostly sunny. The chance of fog about the hills early this morning. Winds southeasterly 15 to 25 km/h.
Adelaide Metropolitan Waters
- Wind
- Southeasterly about 10 knots increasing to 15 to 20 knots in the early morning then decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system south of the Bight extends a ridge over the coastal waters. The high will continue to move eastwards to be centred over the Tasman Sea by the weekend.
Semaphore Temperature Statistics View More
April Temperature
Adelaide Airport (13km)
Lowest 24 April, 2025
9.4 °CAverage April
18.8 °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