Port Arthur Weather Forecast

    • 11
    • 20

    Showers. Late rain

    • 11
    • 17

    Shower or two

    • 12
    • 20

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 15
    • 23

    Partly cloudy

    • 14
    • 21

    Shower or two

    • 12
    • 21

    Possible shower

Today 22 Dec South East

Cloudy. High chance of showers, tending to rain during the evening. The chance of a thunderstorm. Winds southeast to southwesterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h in the evening.

South East Coastal Waters

Tasman Island to South East Cape
Wind
North to northeasterly 10 to 15 knots shifting west to southwesterly 20 to 30 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Cloudy. 90% chance of rain. The chance of a thunderstorm.
Weather Situation
A cold front crossing over the state tonight will bring a cooler southwesterly stream on Monday. A high pressure system to the east of the Bight extends a ridge over Tasmania during Tuesday, before the high centre moves over the southern mainland on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Port Arthur Temperature Statistics View More

December Temperature

Tasman Island (16km)

  • Lowest 8 December, 2024

    8.8 °C

  • Average December

    13.8 °C

  • Highest 5 December, 2024

    21.9 °C

Climate (2019–Present)

Tasman Island (16km)

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  • Average Low 2019–2024

    9.3 °C

  • Average 2019–2024

    11.4 °C

  • Average High 2019–2024

    14.5 °C
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