Watson Gap Weather Forecast
- 12
- 19
Partly cloudy
- 12
- 23
Sunny
- 12
- 33
Sunny
- 18
- 38
Sunny
- 18
- 31
Partly cloudy
- 13
- 23
Partly cloudy
- 14
- 21
Shower or two
Today 15 Dec Mount Lofty Ranges
Clear. Winds southeasterly 20 to 30 km/h.
South Central Coastal Waters
- Wind
- Southeasterly 10 to 15 knots, reaching up to 20 knots inshore during the afternoon and evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Watson Gap Temperature Statistics View More
December Temperature
Encounter Bay (6km)
Lowest 3 December, 2025
6.9 °CAverage December
18.5 °CHighest 4 December, 2025
33.4 °C
Climate (2020–Present)
Encounter Bay (6km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
20.6 °C