River Tamar - Bonnie Beach Weather Forecast

    • 15
    • 22

    Mostly clear

    • 11
    • 20

    Shower or two

    • 9
    • 18

    Partly cloudy

    • 7
    • 21

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 10
    • 21

    Cloudy

    • 11
    • 22

    Partly cloudy

Today 25 Mar Central North

Partly cloudy. Slight chance of a shower. Winds north to northwesterly 15 to 25 km/h.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Westerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Northwest to southwesterly below 1 metre.
Weather
Mostly clear. The chance of a thunderstorm offshore later this evening.
Weather Situation
A trough crosses the state ahead of a cold front approaching the west and crossing early tomorrow morning. A fresh southerly flow is expected behind the front, persisting into Friday. A ridge of high pressure will then extend over the state from the west during the weekend, with southwesterly flow easing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Bonnie Beach Temperature Statistics View More

March Temperature

Low Head (19km)

  • Lowest 14 March, 2026

    10.6 °C

  • Average March

    17.3 °C

  • Highest 4 March, 2026

    22.4 °C

Climate (2021–Present)

Low Head (19km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    13.9 °C

  • Average High 2021–2026

    17.1 °C
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