Port Arthur Weather Forecast

    • 9
    • 13

    Shower or two

    • 7
    • 13

    Partly cloudy

    • 6
    • 13

    Mostly sunny

    • 8
    • 12

    Showers easing

    • 8
    • 13

    Shower or two

    • 8
    • 13

    Partly cloudy

    • 7
    • 13

    Partly cloudy

Today 20 Jun South East

Cloudy. High chance of showers in the far south, medium chance elsewhere. Snow falling above 1000 metres. Winds south to southwesterly 15 to 25 km/h tending west to southwesterly in the early morning then becoming light in the evening. Daytime maximum temperatures between 8 and 12.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southerly 15 to 20 knots turning southwesterly 10 to 15 knots during the morning.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A cooler south to southwesterly airstream is expected on Saturday with a ridge of high pressure forecast to develop over the state through the weekend. A warmer northwesterly airstream is then expected to develop during Monday as the ridge gradually moves to the east and a cold front approaches from the west. The cold front is expected to move over Tasmania on Tuesday resulting in a return to cooler southerly flow.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

June Temperature

Tasman Island (16km)

  • Lowest 5 June, 2026

    7 °C

  • Average June

    11.3 °C

  • Highest 13 June, 2026

    16.6 °C

Climate (2021–2026)

Tasman Island (16km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.6 °C
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