Post Office Rock Weather Forecast
- 14
- 28
Sunny
- 17
- 31
Partly cloudy
- 14
- 18
Windy
- 12
- 18
Windy
- 11
- 20
Windy
- 12
- 23
Partly cloudy
- 13
- 22
Partly cloudy
Today 28 Dec Lower South East
Sunny. Winds north to northeasterly 15 to 20 km/h shifting south to southeasterly 15 to 25 km/h in the afternoon. Daytime maximum temperatures 31 to 36.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1.5 to 2 metres by early evening.
- Weather
- Sunny.
- Weather Situation
- A high pressure system centred near Tasmania maintains a broad ridge over most of South Australia, with a trough crossing the Bight. The high centre moves eastward into the Tasman Sea today and Monday while the trough builds over central SA and slowly moves eastward. The trough moves into the northeast of SA on Wednesday while a high passes south of the Bight.
Post Office Rock Temperature Statistics View More
December Temperature
Robe Airport (38km)
Lowest 16 December, 2025
5.4 °CAverage December
16 °CHighest 18 December, 2025
32.7 °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