River Tamar - Johnstons Flats Weather Forecast

    • 6
    • 15

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 7
    • 15

    Shower or two

    • 7
    • 17

    Shower or two

    • 10
    • 17

    Showers

    • 8
    • 15

    Shower or two

    • 7
    • 14

    Showers

Today 6 Jun Central North

Partly cloudy. The chance of morning fog. Winds west to northwesterly 15 to 25 km/h becoming light in the early morning then becoming west to northwesterly 15 to 25 km/h in the morning. Overnight temperatures falling to between 4 and 8 with daytime temperatures reaching around 14.

Central North Coastal Waters

Stanley to Flinders Island
Wind
Westerly 20 to 25 knots.
Seas
1.5 to 2.5 metres.
1st Swell
Westerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy.
Weather Situation
A west to northwesterly airstream prevails over Tasmania until Monday, as an area of high pressure builds over the southeastern mainland and a series of lows and fronts pass well to the southwest. With the high pressure system moving into the Tasman Sea early next week the airstream will tend northerly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

River Tamar - Johnstons Flats Temperature Statistics View More

June Temperature

Low Head (24km)

  • Lowest 5 June, 2026

    7.5 °C

  • Average June

    11.6 °C

  • Highest 4 June, 2026

    14.5 °C

Climate (2021–Present)

Low Head (24km)

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  • Average Low 2021–2026

    10.8 °C

  • Average 2021–2026

    13.9 °C

  • Average High 2021–2026

    17.2 °C
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