The Sisters Weather Forecast

    • 13
    • 21

    Cloudy

    • 12
    • 21

    Cloudy

    • 12
    • 20

    Cloudy

    • 11
    • 21

    Mostly sunny

    • 13
    • 28

    Sunny

    • 14
    • 31

    Sunny

    • 17
    • 33

    Mostly sunny

Today 23 Dec Mount Lofty Ranges

Partly cloudy. Winds south to southwesterly 15 to 25 km/h.

South Central Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 4 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure persists across South Australia this week as the high centre moves to the south of the Bight on Thursday, continuing eastwards on Friday, to be in the Tasman Sea on Saturday. A trough embedded in the southwesterly flow around the ridge clips the southeast on Wednesday morning.
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  • 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

    18.4 °C

  • Highest 18 December, 2025

    40.7 °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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