Port Arthur Weather Forecast

    • 15
    • 24

    Partly cloudy

    • 13
    • 18

    Showers increasing

    • 11
    • 17

    Shower or two

    • 12
    • 19

    Shower or two

    • 13
    • 21

    Cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 24

    Mostly sunny

Today 25 Mar South East

Partly cloudy. High chance of showers in the far south, medium chance elsewhere. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures 20 to 25.

South East Coastal Waters

Tasman Island to South East Cape
Wind
North to northwesterly 10 to 15 knots turning west to southwesterly 15 to 20 knots in the late afternoon. Winds reaching up to 25 knots near Tasman Island in the late evening.
Seas
Around 1 metre, increasing to 1.5 metres by early evening.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A trough crosses the state ahead of a cold front approaching the west and crossing early tomorrow morning. A fresh southerly flow is expected behind the front, persisting into Friday. A ridge of high pressure will then extend over the state from the west during the weekend, with southwesterly flow easing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

March Temperature

Tasman Island (16km)

  • Lowest 13 March, 2026

    7.4 °C

  • Average March

    14.3 °C

  • Highest 5 March, 2026

    23.9 °C

Climate (2021–Present)

Tasman Island (16km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    14.5 °C
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