Port Arthur Jetty Weather Forecast

    • 6
    • 14

    Mostly sunny

    • 7
    • 14

    Partly cloudy

    • 7
    • 15

    Mostly sunny

    • 8
    • 14

    Shower or two

    • 7
    • 13

    Showers

    • 8
    • 13

    Shower or two

    • 7
    • 13

    Possible shower

Today 31 Jul South East

Partly cloudy. Slight chance of a shower in the far south, near zero chance elsewhere. Winds northwesterly 15 to 20 km/h. Daytime maximum temperatures between 10 and 14.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to southwesterly 15 to 20 knots tending west to northwesterly during the day.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A cold southwesterly airstream persists over Tasmania, tending more westerly during today and on Friday as a large high pressure centre establishes over the South Australian coast. The high centre will then slowly cross the southeastern mainland late Friday and during Saturday as a low centre and associated cold front approach Tasmania from the west and cross on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Jetty Temperature Statistics View More

July Temperature

Tasman Island (16km)

  • Lowest 24 July, 2026

    2.5 °C

  • Average July

    9.5 °C

  • Highest 19 July, 2026

    17 °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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