Semaphore Weather Forecast
- 20
- 33
Mostly sunny
- 21
- 36
Partly cloudy
- 24
- 41
Mostly sunny
- 22
- 32
Partly cloudy
- 15
- 24
Partly cloudy
- 12
- 27
Sunny
- 12
- 30
Sunny
Today 28 Jan Adelaide
Mostly sunny. Winds southeasterly 25 to 40 km/h.
Adelaide Metropolitan Waters
- Wind
- Southerly 10 to 15 knots turning southeasterly 15 to 25 knots during the day.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres around midday.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A trough over western and central parts of the SA continues to move across the south before contracting and lingering inland. A high pressure system moves over waters south of the Bight on Wednesday, reaching the Tasman Sea on Thursday. Another high pressure system building over over waters well south of SA extends a south to southeasterly flow over southern SA late Saturday.
Semaphore Temperature Statistics View More
January Temperature
Parafield Airport (13km)
Lowest 11 January, 2026
10.5 °CAverage January
25.1 °CHighest 26 January, 2026
45.5 °C
Climate (2021–Present)
Parafield Airport (13km)
Average Low 2021–2026
11.1 °CAverage 2021–2026
17 °CAverage High 2021–2026
23.5 °C