Post Office Rock Weather Forecast
- 13
- 29
Partly cloudy
- 13
- 18
Partly cloudy
- 13
- 17
Cloudy
- 11
- 16
Cloudy
- 10
- 22
Partly cloudy
- 11
- 29
Sunny
- 14
- 29
Partly cloudy
Today 12 Dec Lower South East
Partly cloudy. Slight chance of a shower in the evening. The chance of a thunderstorm at night. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the early afternoon then tending south to southwesterly in the evening. Daytime maximum temperatures 31 to 36.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable about 10 knots becoming southerly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots north of Port MacDonnell in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Mostly sunny day. The chance of a thunderstorm in the evening.
- Weather Situation
- A trough will sweep across across the coastal waters today, clearing to the east in the late evening. A ridge of high pressure will begin to move in from the southwest on the weekend with the high pressure centre establishing south of the Bight on Monday.
Post Office Rock Temperature Statistics View More
December Temperature
Robe Airport (38km)
Lowest 3 December, 2025
7.8 °CAverage December
15.5 °CHighest 3 December, 2025
26.2 °C
Climate (2020–Present)
Robe Airport (38km)
Average Low 2020–2025
9.8 °CAverage 2020–2025
14.3 °CAverage High 2020–2025
19.4 °C