Weirs Cove Weather Forecast

    • 7
    • 20

    Sunny

    • 14
    • 23

    Sunny

    • 14
    • 19

    Shower

    • 10
    • 14

    Cloudy

    • 8
    • 17

    Partly cloudy

    • 9
    • 20

    Cloudy

    • 11
    • 22

    Partly cloudy

Today 18 Sep Kangaroo Island

Sunny. Winds northerly 15 to 25 km/h turning northwesterly 20 to 30 km/h in the late morning. Daytime maximum temperatures around 20.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots turning northwesterly in the late morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A strong high pressure system centred over Victoria will maintain a ridge across SA as it drifts slowly over NSW. A cold front will then approach from the west late Saturday and move across SA on Sunday, before another ridge pushes in behind the front. The associated high will then move eastwards across waters south from Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Weirs Cove Temperature Statistics View More

September Temperature

Kingscote Airport (81km)

  • Lowest 8 September, 2026

    1.9 °C

  • Average September

    12.1 °C

  • Highest 1 September, 2026

    21.3 °C

Climate (2021–2026)

Kingscote Airport (81km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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