Port Arthur Weather Forecast

    • 11
    • 15

    Rain

    • 7
    • 14

    Showers

    • 7
    • 17

    Cloudy

    • 10
    • 18

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 11
    • 21

    Shower or two

Today 25 Oct South East

Cloudy. Very high chance of rain, becoming less likely this evening. Snow falling above 900 metres. Possible small hail in the far south during this afternoon and evening. Winds west to southwesterly 20 to 30 km/h tending south to southwesterly 25 to 35 km/h in the middle of the day then tending west to southwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures between 10 and 14.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the late morning and early afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 95% chance of rain, with possible small hail during this afternoon and evening.
Weather Situation
A cold front slowly crosses Tasmania today. A trough is forecast to cross during Monday embedded in a southwesterly wind stream. A ridge is expected to develop over Western Victoria on Tuesday, and combined with a broad area of low pressure to the south of Tasmania, brings a fresh westerly flow until at least Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Temperature Statistics View More

October Temperature

Tasman Island (16 km)

  • Lowest 13 October, 2026

    4 °C

  • Average October

    12.2 °C

  • Highest 23 October, 2026

    28.3 °C

Climate (2021–2026)

Tasman Island (16 km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.7 °C
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