Diamond Island Weather Forecast
- 11
- 18
Partly cloudy
- 10
- 20
Partly cloudy
- 12
- 20
Partly cloudy
- 13
- 24
Mostly sunny
- 15
- 26
Mostly sunny
- 13
- 23
Partly cloudy
- 13
- 19
Mostly sunny
Today 28 Mar East Coast
Mostly clear. Winds south to southwesterly 15 to 25 km/h.
Upper East Coastal Waters
St Helens Point to Wineglass Bay- Wind
- Southerly 20 to 25 knots.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- Easterly 2 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure extends over Tasmania from the west, with the high centre expected to move over the state on Sunday and out to the Tasman Sea on Monday. A warmer northwesterly airstream will then develop over the state on Tuesday as a low pressure system and associated front approach from the west, forecast to cross on Wednesday.
Diamond Island Temperature Statistics View More
March Temperature
Bicheno (Council Depot) (2km)
Lowest 13 March, 2026
10 °CAverage March
16.9 °CHighest 5 March, 2026
28 °C
Climate (2021–Present)
Bicheno (Council Depot) (2km)
Average Low 2021–2026
10.3 °CAverage 2021–2026
14.2 °CAverage High 2021–2026
18.1 °C