Semaphore Park Weather Forecast
- 22
- 38
Sunny
- 18
- 26
Cloudy
- 13
- 25
Sunny
- 13
- 30
Sunny
- 16
- 33
Sunny
- 18
- 31
Partly cloudy
- 17
- 28
Partly cloudy
Today 29 Dec Adelaide
Sunny. Winds east to northeasterly 15 to 25 km/h tending northwest to southwesterly 20 to 30 km/h in the middle of the day then tending southeast to southwesterly in the late afternoon.
Adelaide Metropolitan Waters
- Wind
- Variable about 10 knots becoming southwesterly 15 to 20 knots in the early afternoon then tending southerly in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Brighton during the afternoon.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A high pressure high centre sits over the Tasman Sea today while a trough builds over western SA. The trough slowly moves eastwards today and Tuesday while another high centre moves south of the Bight from the west. The trough is expected to linger near the far northeast of SA on Wednesday and Thursday with a persistent ridge of high pressure south of the Bight.
Semaphore Park Temperature Statistics View More
December Temperature
Parafield Airport (15km)
Lowest 7 December, 2025
7.4 °CAverage December
21.2 °CHighest 18 December, 2025
42.1 °C
Climate (2020–Present)
Parafield Airport (15km)
Average Low 2020–2025
11.1 °CAverage 2020–2025
17 °CAverage High 2020–2025
23.4 °C