Beaumaris Weather Forecast
- 6
- 17
Mostly sunny
- 8
- 17
Sunny
- 4
- 18
Sunny
- 5
- 19
Sunny
- 6
- 19
Mostly sunny
- 8
- 18
Showers
- 7
- 16
Possible shower
Today 27 Aug St Helens
Sunny. Light winds becoming north to northwesterly 15 to 25 km/h in the middle of the day then tending west to northwesterly in the late afternoon.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- South to southwesterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming north to northwesterly 15 to 20 knots in the middle of the day. Winds reaching up to 25 knots offshore in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system moves to north of the state today while a cold front approaches the southwest late in the day before crossing Tasmania early Friday. Another high pressure system is expected to build south of the Bight on Saturday and extend a ridge to the north of Tasmania, with the high centre to move near Adelaide on Sunday and extend a ridge over Tasmania.
Beaumaris Temperature Statistics View More
August Temperature
St Helens Aerodrome (9km)
Lowest 23 August, 2026
2.5 °CAverage August
10.7 °CHighest 13 August, 2026
19.2 °C
Climate (2021–2026)
St Helens Aerodrome (9km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C