Dianas Beach Weather Forecast
- 15
- 23
Becoming windy. Partly cloudy
- 12
- 17
Shower or two
- 12
- 17
Shower or two. Becoming windy
- 12
- 18
Shower or two
- 12
- 19
Shower or two
- 12
- 22
Shower or two
- 10
- 20
Shower or two
Today 29 Mar St Helens
Partly cloudy. Slight chance of a shower this afternoon. Light winds becoming southeasterly 25 to 40 km/h in the middle of the day then tending southerly 30 to 45 km/h in the late afternoon.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- Northwesterly 10 to 15 knots shifting southerly 20 to 25 knots in the late morning. Winds reaching up to 30 knots during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 2.5 to 3 metres during the afternoon.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front will cross Tasmania today, bringing a cooler south to southeasterly airstream that will continue on Sunday as a ridge extends to the south of the state. A low centre near the NSW coast will move over the Tasman Sea, well to the east of Tasmania, on Monday and remain there during Tuesday as a high centre slowly passes to the south of Tasmania.
Dianas Beach Temperature Statistics View More
March Temperature
St Helens Aerodrome (5km)
Lowest 17 March, 2025
6.8 °CAverage March
17.2 °CHighest 10 March, 2025
32.4 °C
Climate (2020–Present)
St Helens Aerodrome (5km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
13.3 °CAverage High 2020–2025
18.1 °C