Semaphore Weather Forecast
- 19
- 37
Mostly sunny
- 21
- 45
Sunny
- 31
- 41
Sunny
- 21
- 33
Sunny
- 20
- 38
Sunny
- 23
- 38
Mostly sunny
- 20
- 30
Partly cloudy
Today 25 Jan Adelaide
Mostly sunny. Winds southeasterly 15 to 25 km/h tending southeast to southwesterly in the late afternoon then tending east to southeasterly 15 to 20 km/h in the evening.
Adelaide Metropolitan Waters
- Wind
- South to southeasterly 10 to 15 knots tending south to southwesterly in the middle of the day then tending south to southeasterly in the late afternoon. Winds reaching up to 20 knots north of Brighton in the afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A low pressure system and an associated trough lingers through inland parts of SA today. A high pressure system is then expected to move over waters to the south, extending a ridge over southern SA on today and Monday ahead of another trough expected to move into the west on Monday and across the south on Tuesday. The trough weakens on Wednesday as another high pressure system moves into waters south of the Bight.
Semaphore Temperature Statistics View More
January Temperature
Parafield Airport (13km)
Lowest 11 January, 2026
10.5 °CAverage January
24.1 °CHighest 8 January, 2026
44.9 °C
Climate (2021–Present)
Parafield Airport (13km)
Average Low 2021–2026
11.1 °CAverage 2021–2026
17 °CAverage High 2021–2026
23.5 °C