Cape Thomas Weather Forecast
- 14
- 20
Shower or two
- 13
- 16
Showers. Windy
- 11
- 16
Cloudy
- 13
- 18
Cloudy
- 12
- 19
Partly cloudy
- 13
- 22
Partly cloudy
- 15
- 25
Sunny
Today 25 Mar Lower South East
Cloudy. High chance of showers in the north, medium chance elsewhere. The chance of a thunderstorm during the morning and afternoon. Light winds becoming southwesterly 15 to 25 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures in the low to mid 20s.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- West to southwesterly about 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots south of Port MacDonnell during the afternoon and evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Beachport around midday.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm in the morning and early afternoon.
- Weather Situation
- A broad trough lies over SA. A cold front clips the southeast as an upper trough moves up over SA today and tomorrow. A high pressure system develops south of the Bight late in the week and persists over the weekend.
Cape Thomas Temperature Statistics View More
March Temperature
Robe (10km)
Lowest 4 March, 2026
10.6 °CAverage March
17.5 °CHighest 23 March, 2026
24.5 °C
Climate (2021–Present)
Robe (10km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
15.9 °CAverage High 2021–2026
18.5 °C