Semaphore Offshore Weather Forecast
- 10
- 14
Sunny
- 11
- 14
Shower or two
- 10
- 14
Partly cloudy
- 11
- 15
Mostly sunny
- 12
- 14
Showers
- 11
- 14
Shower or two
- 11
- 15
Shower or two
Today 18 Jul Adelaide
Mostly sunny. Slight chance of a shower. Winds north to northeasterly 15 to 20 km/h turning northwesterly 15 to 25 km/h during the morning then tending northerly in the late afternoon.
Adelaide Metropolitan Waters
- Wind
- Northerly about 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots south of Brighton in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- West to southwesterly below 1 metre.
- Weather
- Mostly sunny.
Semaphore Offshore Temperature Statistics View More
July Temperature
Adelaide Airport (16km)
Lowest 1 July, 2025
3 °CAverage July
11.9 °CHighest 4 July, 2025
18.6 °C
Climate (2020–Present)
Adelaide Airport (16km)
Average Low 2020–2025
12.2 °CAverage 2020–2025
16.8 °CAverage High 2020–2025
22 °C