The Sisters Weather Forecast

    • 13
    • 27

    Possible shower developing

    • 13
    • 22

    Possible shower

    • 11
    • 20

    Partly cloudy

    • 9
    • 25

    Sunny

    • 13
    • 21

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 13
    • 23

    Sunny

Today 5 Dec Mount Lofty Ranges

Mostly sunny. The chance of fog in the south in the early morning. Medium chance of showers in the south in the late afternoon and evening. Near zero chance of rain elsewhere. Winds northeast to southeasterly 15 to 20 km/h tending northwest to southwesterly 15 to 25 km/h in the morning then tending southeast to southwesterly in the evening. Overnight temperatures falling to around 12 with daytime temperatures reaching 25 to 31.

South Central Coastal Waters

Wind
Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the early afternoon then becoming west to northwesterly below 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy. The chance of a thunderstorm west of Kangaroo Island in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Sisters Temperature Statistics View More

December Temperature

Encounter Bay (8km)

  • Lowest 3 December, 2025

    6.9 °C

  • Average December

    20.4 °C

  • Highest 3 December, 2025

    31.8 °C

Climate (2020–Present)

Encounter Bay (8km)

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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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