Margerys Corner Weather Forecast
- 6
- 17
Mostly sunny
- 5
- 18
Mostly sunny
- 9
- 17
Mostly sunny
- 4
- 19
Sunny
- 6
- 19
Sunny
- 8
- 19
Mostly sunny
- 8
- 18
Showers
Today 26 Aug St Helens
Mostly sunny. Light winds becoming southwesterly 15 to 25 km/h in the morning then becoming light in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- West to southwesterly 15 to 20 knots tending south to southwesterly during the day. Winds reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- A broad low pressure system over Tasmania is expected to move away to the southeast during the morning. A high pressure system over South Australia is expected to extend a ridge over Tasmania later today, before moving to north of the state on Thursday. A cold front is expected to approach the southwest late Thursday, crossing during Friday. A high pressure system to the south of the Bight approaches the west during the weekend, extending a ridge to the north of Tasmania.
Margerys Corner Temperature Statistics View More
August Temperature
St Helens Aerodrome (18km)
Lowest 23 August, 2026
2.5 °CAverage August
10.8 °CHighest 13 August, 2026
19.2 °C
Climate (2021–2026)
St Helens Aerodrome (18km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C