Three Sisters Weather Forecast

    • 8
    • 19

    Possible shower

    • 5
    • 14

    Partly cloudy

    • 1
    • 15

    Early frost. Mostly sunny

    • 3
    • 15

    Mostly sunny

    • 5
    • 17

    Cloudy

    • 9
    • 20

    Shower or two

    • 9
    • 18

    Shower or two

Today 20 Sep Ulverstone

Partly cloudy. Medium chance of showers, most likely in the evening. Winds west to northwesterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h in the early morning then tending west to northwesterly 25 to 40 km/h in the middle of the day.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning westerly 20 to 25 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then increasing to 2 to 3 metres around midday.
1st Swell
Westerly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1.5 to 2 metres later in the evening.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

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Three Sisters Temperature Statistics View More

September Temperature

Devonport Airport (25km)

  • Lowest 16 September, 2026

    1.4 °C

  • Average September

    11.2 °C

  • Highest 11 September, 2026

    21.1 °C

Climate (2021–2026)

Devonport Airport (25km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.1 °C

  • Average High 2021–2026

    17.8 °C
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