The Sisters Weather Forecast

    • 13
    • 28

    Mostly sunny

    • 18
    • 28

    Partly cloudy

    • 14
    • 21

    Showers. Possible storm

    • 12
    • 20

    Cloudy

    • 10
    • 28

    Mostly sunny

    • 14
    • 24

    Possible shower

    • 9
    • 19

    Possible shower

Today 18 Oct Mount Lofty Ranges

Mostly sunny. Winds northeasterly 15 to 25 km/h. Overnight temperatures falling to between 13 and 16 with daytime temperatures reaching the mid to high 20s.

South Central Coastal Waters

Wind
Northeasterly about 10 knots increasing to 10 to 15 knots before dawn. Winds reaching up to 20 knots west of Kangaroo Island in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Sisters Temperature Statistics View More

October Temperature

Encounter Bay (8 km)

  • Lowest 16 October, 2026

    5.3 °C

  • Average October

    15.1 °C

  • Highest 11 October, 2026

    30 °C

Climate (2021–2026)

Encounter Bay (8 km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.3 °C

  • Average High 2021–2026

    20.7 °C
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