Isthmus Bay Weather Forecast
- 9
- 17
Cloudy
- 10
- 21
Mostly sunny
- 10
- 23
Mostly sunny
- 13
- 22
Possible shower
- 9
- 18
Partly cloudy
- 9
- 20
Mostly sunny
- 10
- 21
Partly cloudy
Today 27 Dec South East
Partly cloudy. Winds south to southwesterly 20 to 30 km/h tending south to southeasterly in the late afternoon then becoming light in the late evening. Daytime maximum temperatures between 14 and 19.
Channel
- Wind
- Southwesterly 15 to 20 knots tending southerly in the middle of the day then becoming variable about 10 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre by early evening.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system will extend a ridge over the state as it moves to the south of Tasmania later today, before moving over Tasman Sea on Sunday. By late Monday a trough will begin to develop off the west coast, moving over the state late Tuesday.
Isthmus Bay Temperature Statistics View More
December Temperature
Dover (27km)
Lowest 1 December, 2025
4.2 °CAverage December
12.2 °CHighest 17 December, 2025
26.9 °C
Climate (2020–Present)
Dover (27km)
Average Low 2020–2025
6.9 °CAverage 2020–2025
10 °CAverage High 2020–2025
16.9 °C