Geltwood Beach Weather Forecast
- 7
- 15
Shower
- 9
- 15
Shower
- 8
- 12
Shower
- 9
- 15
Shower
- 11
- 16
Shower
- 9
- 15
Shower
- 8
- 15
Shower
Today 21 Jul Lower South East
Cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds northerly 15 to 20 km/h becoming light in the early afternoon. Daytime maximum temperatures around 16.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots south of Beachport during the day. Winds turning northwesterly in the late morning and early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell.
- 1st Swell
- Southwesterly 2 to 2.5 metres, tending westerly 2 to 2.5 metres later in the evening.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm offshore in the afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a weak cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight Thursday and Friday.
Geltwood Beach Temperature Statistics View More
July Temperature
Mount Gambier Airport (55km)
Lowest 7 July, 2026
-1.1 °CAverage July
9.2 °CHighest 1 July, 2026
16.7 °C
Climate (2021–2026)
Mount Gambier Airport (55km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C