Deep Creek Entrance Weather Forecast
- 5
- 19
Shower or two
- 13
- 26
Wind easing. Partly cloudy
- 14
- 21
Showers
- 11
- 18
Showers easing
- 10
- 14
Partly cloudy
- 8
- 15
Cloudy
- 8
- 16
Sunny
Today 28 Sep Mount Gambier
Becoming cloudy. Medium chance of showers, most likely during this afternoon and evening. Winds easterly 15 to 20 km/h becoming light in the morning.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Easterly 15 to 20 knots tending northeasterly in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southeastern SA. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday and reaching the far northeast on Thursday.
Deep Creek Entrance Temperature Statistics View More
September Temperature
Mount Gambier Airport (33km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.6 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (33km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C