River Tamar - Supply Bay Weather Forecast

    • 4
    • 20

    Cloudy

    • 10
    • 19

    Shower or two

    • 6
    • 15

    Shower or two

    • 3
    • 15

    Sunny

    • 3
    • 17

    Mostly sunny

    • 4
    • 18

    Partly cloudy

    • 7
    • 18

    Showers

Today 24 Sep Central North

Cloudy. Slight chance of a shower later this evening. Winds north to northwesterly 15 to 25 km/h becoming light in the evening.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Westerly below 1 metre.
Weather
Cloudy.
Weather Situation
A ridge extending over Tasmania from a high pressure system in the Tasman Sea weakens today, as a trough approaches from the west in the evening. A weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross early on Saturday. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Supply Bay Temperature Statistics View More

September Temperature

Launceston (Ti Tree Bend) (22km)

  • Lowest 11 September, 2026

    0.8 °C

  • Average September

    11.2 °C

  • Highest 19 September, 2026

    22.9 °C

Climate (2021–2026)

Launceston (Ti Tree Bend) (22km)

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  • Average Low 2021–2026

    7.8 °C

  • Average 2021–2026

    13.2 °C

  • Average High 2021–2026

    19.4 °C
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