Granite Island Weather Forecast

    • 11
    • 18

    Shower or two

    • 10
    • 20

    Shower or two

    • 11
    • 18

    Shower or two. Wind easing

    • 11
    • 21

    Partly cloudy

    • 11
    • 29

    Mostly sunny

    • 16
    • 27

    Partly cloudy

    • 13
    • 21

    Cloud clearing

Today 29 Nov Mount Lofty Ranges

Partly cloudy. High chance of showers. Winds west to southwesterly 20 to 30 km/h. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching around 18.

South Central Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Granite Island Temperature Statistics View More

November Temperature

Encounter Bay (2km)

  • Lowest 28 November, 2025

    6.3 °C

  • Average November

    15.9 °C

  • Highest 24 November, 2025

    33 °C

Climate (2020–Present)

Encounter Bay (2km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    20.6 °C
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