Port Arthur Jetty Weather Forecast
- 8
- 15
Possible shower
- 11
- 16
Shower or two
- 9
- 15
Partly cloudy
- 10
- 15
Showers easing
- 8
- 13
Showers increasing
- 5
- 10
Showers. Windy
- 6
- 12
Showers
Today 29 Jun South East
Mostly sunny day. Slight chance of a shower at night. Winds north to northeasterly 20 to 30 km/h. Daytime maximum temperatures between 11 and 15.
South East Coastal Waters
Tasman Island to South East Cape- Wind
- Northerly 20 to 25 knots, reaching up to 30 knots in the evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A weak trough is expected to approach Tasmania from the west today and cross during Tuesday, bringing a north to northwesterly airstream to the state. The airstream will then tend more northerly on Wednesday as a stronger trough approaches from the west, crossing Tasmania from late Wednesday. A cold front follow later Thursday, connected to a deep low pressure centre to the west of Tasmania.
Port Arthur Jetty Temperature Statistics View More
June Temperature
Tasman Island (16km)
Lowest 26 June, 2026
5.3 °CAverage June
10.3 °CHighest 13 June, 2026
16.6 °C
Climate (2021–2026)
Tasman Island (16km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.6 °C