Dart Island Weather Forecast

    • 8
    • 12

    Showers

    • 7
    • 15

    Possible shower

    • 9
    • 13

    Shower or two

    • 8
    • 15

    Mostly sunny

    • 9
    • 15

    Mostly sunny

    • 8
    • 16

    Mostly sunny

    • 10
    • 18

    Showers

Today 26 Aug South East

Cloudy. High chance of showers, becoming less likely this afternoon. Snow falling above 1000 metres. Winds westerly 25 to 40 km/h tending southwesterly 30 to 45 km/h in the early morning then tending northwest to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 7 and 13.

Frederick Henry Bay and Norfolk Bay Boating

Wind
Westerly 15 to 25 knots tending southwesterly 20 to 30 knots in the early morning then decreasing to 15 to 25 knots in the early afternoon.
Seas
Below 1 metre, increasing to 1.5 to 2.5 metres during the morning, then decreasing to 1 metre later in the evening.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A broad low pressure system over Tasmania is expected to move away to the southeast during the morning. A high pressure system over South Australia is expected to extend a ridge over Tasmania later today, before moving to north of the state on Thursday. A cold front is expected to approach the southwest late Thursday, crossing during Friday. A high pressure system to the south of the Bight approaches the west during the weekend, extending a ridge to the north of Tasmania.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dart Island Temperature Statistics View More

August Temperature

Tasman Island (26km)

  • Lowest 23 August, 2026

    6 °C

  • Average August

    10 °C

  • Highest 20 August, 2026

    17.1 °C

Climate (2021–2026)

Tasman Island (26km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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