St Helens Weather Forecast

    • 8
    • 16

    Partly cloudy

    • 4
    • 18

    Sunny

    • 6
    • 15

    Partly cloudy

    • 5
    • 21

    Sunny

    • 4
    • 19

    Sunny

    • 5
    • 20

    Partly cloudy

    • 9
    • 20

    Possible shower

Today 7 Sep St Helens

Slight chance of a shower this morning. Mostly sunny afternoon. Winds southerly 15 to 25 km/h becoming light in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Westerly 20 to 25 knots, reaching up to 30 knots offshore during the morning and early afternoon. Winds turning southerly 15 to 25 knots in the late morning then decreasing to 10 to 15 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 metre later in the evening.
1st Swell
South to southeasterly below 1 metre inshore, increasing to 1 to 2 metres offshore by early evening.
Weather
Partly cloudy. 50% chance of showers this morning.
Weather Situation
A ridge south of the continent is extending a westerly flow across Tasmania, while a cold front should move across the state today. Another cold front should cross Tasmania Tuesday, before the ridge of high pressure approaches from the west thereafter.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Helens Temperature Statistics View More

September Temperature

St Helens Aerodrome (3km)

  • Lowest 4 September, 2026

    6.1 °C
  • Average September

    12.7 °C
  • Highest 1 September, 2026

    17.3 °C

Climate (2021–2026)

St Helens Aerodrome (3km)

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  • Average Low 2021–2026

    9.4 °C
  • Average 2021–2026

    13.4 °C
  • Average High 2021–2026

    18.3 °C
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