The Sisters Weather Forecast

    • 13
    • 32

    Sunny

    • 17
    • 36

    Sunny

    • 14
    • 20

    Cloudy

    • 13
    • 20

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 14
    • 25

    Partly cloudy

    • 14
    • 26

    Mostly sunny

Today 28 Dec Mount Lofty Ranges

Sunny. Winds northeast to southeasterly 15 to 20 km/h tending north to northeasterly in the early morning then turning east to southeasterly in the afternoon. Overnight temperatures falling to between 13 and 18 with daytime temperatures reaching the low to mid 30s.

South Central Coastal Waters

Wind
East to northeasterly 10 to 15 knots becoming variable about 10 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres during the afternoon.
Weather
Sunny.
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

    18 °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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