Post Office Rock Weather Forecast
- 6
- 19
Partly cloudy
- 13
- 21
Sunny
- 13
- 20
Shower
- 11
- 14
Cloudy
- 5
- 16
Partly cloudy
- 7
- 19
Cloudy
- 10
- 22
Shower
Today 18 Sep Lower South East
Sunny. The chance of frost in the early morning. Winds northerly 15 to 25 km/h tending northwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to around 4 with daytime temperatures reaching the low 20s.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northwesterly 15 to 20 knots, reaching up to 30 knots south of Beachport in the early afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning, increasing to 1.5 to 2 metres south of Beachport around midday.
- 1st Swell
- Southwesterly 2.5 to 3 metres, tending westerly 2.5 to 3 metres later in the evening.
- Weather
- Mostly sunny.
Post Office Rock Temperature Statistics View More
September Temperature
Robe Airport (38km)
Lowest 17 September, 2026
0.4 °CAverage September
12.2 °CHighest 12 September, 2026
22.3 °C
Climate (2021–2026)
Robe Airport (38km)
Average Low 2021–2026
9.9 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
19.5 °C