Cape Willoughby Weather Forecast
- 10
- 18
Partly cloudy
- 12
- 18
Partly cloudy
- 14
- 19
Shower
- 13
- 18
Shower
- 12
- 17
Shower
- 12
- 17
Shower
- 13
- 18
Shower
Today 21 May Kangaroo Island
Mostly clear. Light winds.
South Central Coastal Waters
- Wind
- North to northeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
Cape Willoughby Temperature Statistics View More
May Temperature
Cape Willoughby (0km)
Lowest 3 May, 2026
11.5 °CAverage May
15.8 °CHighest 1 May, 2026
24.4 °C
Climate (2021–Present)
Cape Willoughby (0km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.4 °C