Cape Thomas Weather Forecast
- 11
- 15
Cloudy
- 11
- 15
Partly cloudy
- 5
- 14
Becoming cloudy
- 9
- 14
Cloudy
- 9
- 15
Partly cloudy
- 7
- 16
Mostly sunny
- 8
- 18
Mostly sunny
Today 6 Sep Lower South East
Cloudy. Slight chance of a shower, most likely later tonight. Winds westerly 15 to 20 km/h becoming light in the late afternoon then becoming west to southwesterly 15 to 20 km/h in the late evening.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Westerly 10 to 15 knots tending southwesterly in the late evening. Winds reaching up to 20 knots south of Port MacDonnell in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly 4 metres, decreasing to 3 metres by early evening.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred over SA will weaken during Sunday. The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
Cape Thomas Temperature Statistics View More
September Temperature
Robe (10km)
Lowest 1 September, 2026
7.4 °CAverage September
14.2 °CHighest 1 September, 2026
16.6 °C
Climate (2021–2026)
Robe (10km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
16 °CAverage High 2021–2026
18.5 °C