River Derwent - Mary Ann Bay Weather Forecast
- 7
- 16
Partly cloudy
- 8
- 22
Possible shower. Windy
- 10
- 16
Possible shower. Windy
- 7
- 17
Cloudy
- 8
- 16
Showers
- 7
- 15
Shower or two
- 5
- 16
Cloudy
Today 18 Oct Hobart
Partly cloudy. Slight chance of a shower, most likely at night. Winds westerly 20 to 30 km/h shifting northeasterly 15 to 20 km/h in the evening then tending northerly in the late evening.
Derwent Estuary
- Wind
- Southwesterly 15 to 20 knots shifting northeasterly 10 to 15 knots in the evening.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over Victoria directs a westerly airstream over Tasmania, forecast to weakening as a ridge extends over the state during today. A strong northerly flow will develop on Sunday, ahead of a cold front which is forecast to cross the state later in the day. Another cold front is forecast to approach the southwest of Tasmania Monday evening, passing to the south of the state. A westerly airstream is expected to follow into Tuesday.
River Derwent - Mary Ann Bay Temperature Statistics View More
October Temperature
Hobart (Ellerslie Road) (11km)
Lowest 13 October, 2025
4 °CAverage October
12.7 °CHighest 16 October, 2025
27.6 °C
Climate (2020–Present)
Hobart (Ellerslie Road) (11km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
13.1 °CAverage High 2020–2025
18.1 °C