Cape Thomas Weather Forecast
- 10
- 15
Partly cloudy
- 10
- 15
Rain increasing
- 9
- 15
Showers easing
- 10
- 15
Cloudy
- 9
- 16
Mostly sunny
- 10
- 16
Shower or two
- 9
- 15
Possible shower
Today 23 Aug Lower South East
Cloudy. Patchy morning fog. Slight chance of a shower. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures around 18.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- North to northwesterly 10 to 15 knots, reaching up to 20 knots south of Beachport in the late morning and early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell around midday.
- 1st Swell
- Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred over the eastern states continue to drift slowly east as a low pressure system and associated trough move into the far western SA later today and then moves across the state on Monday and out over the eastern states by later Tuesday. Another high moves into the west later Tuesday and over SA on Wednesday.
Cape Thomas Temperature Statistics View More
August Temperature
Robe (10km)
Lowest 1 August, 2026
4.7 °CAverage August
13 °CHighest 17 August, 2026
18 °C
Climate (2021–2026)
Robe (10km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
16 °CAverage High 2021–2026
18.5 °C