South Barnard Islands Weather Forecast

    • 19
    • 22

    Shower

    • 20
    • 23

    Shower

    • 21
    • 23

    Shower

    • 21
    • 23

    Shower

    • 21
    • 23

    Shower

    • 21
    • 23

    Shower

    • 21
    • 23

    Shower

Today 20 Jul North Tropical Coast and Tablelands

Mostly sunny. Slight chance of a shower along the coastal fringe in the evening. Near zero chance of rain elsewhere. Winds east to southeasterly 15 to 25 km/h. Overnight temperatures falling to between 6 and 14 with daytime temperatures reaching 21 to 27.

Cairns Coastal Waters

Cape Tribulation to Cardwell
Wind
South to southeasterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
1st Swell
Southeasterly below 1 metre, increasing to 1 to 1.5 metres outside the reef during the morning.
Weather
Partly cloudy. 60% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Barnard Islands Temperature Statistics View More

July Temperature

South Johnstone (22km)

  • Lowest 17 July, 2026

    10.9 °C

  • Average July

    19.8 °C

  • Highest 1 July, 2026

    26.2 °C

Climate (2021–2026)

South Johnstone (22km)

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  • Average Low 2021–2026

    20.6 °C

  • Average 2021–2026

    23.9 °C

  • Average High 2021–2026

    28.7 °C
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