Johnsons Bay Weather Forecast

    • 12
    • 16

    Cloudy

    • 9
    • 15

    Shower

    • 11
    • 15

    Shower

    • 10
    • 16

    Shower

    • 12
    • 17

    Shower

    • 11
    • 17

    Shower

    • 10
    • 15

    Shower

Today 18 May Western

Cloudy. Medium chance of showers, most likely in the morning and afternoon. Light winds becoming north to northwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching between 12 and 16.

Central West Coastal Waters

Low Rocky Point to Sandy Cape
Wind
Variable about 10 knots becoming northwesterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas
Below 1 metre.
1st Swell
Westerly 2 to 3 metres, decreasing to 2 metres later in the evening.
Weather
Mostly sunny.
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

    12 °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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