Granite Island Weather Forecast

    • 9
    • 20

    Showers

    • 11
    • 19

    Shower or two

    • 11
    • 20

    Shower or two

    • 11
    • 18

    Shower or two. Becoming windy

    • 11
    • 19

    Partly cloudy

    • 9
    • 26

    Mostly sunny

    • 14
    • 26

    Partly cloudy

Today 28 Nov Mount Lofty Ranges

Partly cloudy. The chance of fog on the eastern slopes in the early morning. Very high chance of showers, most likely from the late morning. The chance of a thunderstorm in the afternoon and evening. Winds northwest to northeasterly 15 to 20 km/h tending southeast to southwesterly in the morning then tending west to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to around 9 with daytime temperatures reaching between 19 and 25.

South Central Coastal Waters

Wind
Northwesterly 10 to 15 knots turning southwesterly 15 to 20 knots in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 metres, tending southerly 1.5 to 2.5 metres during the morning, then tending south to southwesterly 1 to 2 metres later in the evening.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
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 6 November, 2025

    7.7 °C

  • Average November

    16 °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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