Granite Island Weather Forecast

    • 14
    • 26

    Possible shower

    • 13
    • 19

    Cloudy

    • 10
    • 21

    Shower or two

    • 13
    • 24

    Showers

    • 13
    • 19

    Shower or two

    • 10
    • 17

    Possible shower

    • 11
    • 17

    Cloudy

Today 6 Apr Mount Lofty Ranges

Partly cloudy. Medium chance of showers, most likely in the evening. Winds north to northwesterly 15 to 20 km/h turning westerly 15 to 25 km/h in the late morning and early afternoon. Overnight temperatures falling to around 15 with daytime temperatures reaching the mid to high 20s.

South Central Coastal Waters

Wind
North to northwesterly 10 to 15 knots shifting southwesterly 15 to 20 knots during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 metres.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Granite Island Temperature Statistics View More

April Temperature

Encounter Bay (2km)

  • Lowest 2 April, 2026

    9.3 °C

  • Average April

    15.3 °C

  • Highest 1 April, 2026

    24.3 °C

Climate (2021–Present)

Encounter Bay (2km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.6 °C
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