Johnsons Bay Weather Forecast

    • 10
    • 16

    Shower

    • 10
    • 17

    Cloudy

    • 11
    • 18

    Cloudy

    • 13
    • 18

    Shower

    • 10
    • 15

    Shower

    • 7
    • 16

    Partly cloudy

    • 9
    • 16

    Shower

Today 21 May Western

Cloudy. Slight chance of a shower, most likely later tonight. Winds northwest to northeasterly 15 to 20 km/h tending west to northwesterly 15 to 25 km/h in the middle of the day then tending north to northwesterly in the early afternoon. Daytime maximum temperatures between 11 and 15.

Central West Coastal Waters

Low Rocky Point to Sandy Cape
Wind
Westerly 10 to 15 knots turning northwesterly 15 to 20 knots in the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A high pressure centre near Adelaide extends a ridge of high pressure over Tasmania. The ridge is expected to slowly cross over Tasmania during Thursday and Friday, bringing mostly settled weather to the state. The high is then forecast to move to the east of Tasmania later Friday as a cold front approaches from the west during Saturday, and crosses over the west later Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johnsons Bay Temperature Statistics View More

May Temperature

Luncheon Hill (Forestry) (46km)

  • Lowest 7 May, 2026

    2.3 °C

  • Average May

    11.5 °C

  • Highest 1 May, 2026

    22.6 °C

Climate (2021–Present)

Luncheon Hill (Forestry) (46km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    10.9 °C

  • Average High 2021–2026

    16.3 °C
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