Port Arthur Weather Forecast

    • 9
    • 14

    Showers. Windy

    • 9
    • 15

    Shower or two. Becoming windy

    • 10
    • 17

    Shower or two

    • 11
    • 21

    Mostly sunny

    • 13
    • 23

    Partly cloudy

    • 14
    • 22

    Shower or two

    • 11
    • 19

    Shower or two

Today 25 Dec South East

Cloudy. High chance of showers, becoming less likely this evening. Snow falling above 700 metres. Possible small hail. Winds southwesterly 35 to 50 km/h. Daytime maximum temperatures between 9 and 14.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 25 to 30 knots, reaching up to 35 knots early in the morning.
Seas
2.5 to 3 metres, increasing to 3 to 4 metres near Tasman Island.
1st Swell
Southwesterly 4 to 6 metres, decreasing to 3 to 4 metres during the afternoon.
Weather
Cloudy. 80% chance of showers, with possible small hail.
Weather Situation
A high pressure system south of the Bight slowly builds a ridge over Tasmania during Thursday and Friday. The high will then move to the south of Tasmania on Saturday before entering the Tasman Sea on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

December Temperature

Hobart (Ellerslie Road) (50km)

  • Lowest 1 December, 2025

    6.1 °C

  • Average December

    15.3 °C

  • Highest 17 December, 2025

    30 °C

Climate (2020–Present)

Hobart (Ellerslie Road) (50km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.1 °C

  • Average High 2020–2025

    18 °C
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