Mount Observation Weather Forecast

    • 19
    • 30

    Partly cloudy

    • 13
    • 25

    Mostly sunny

    • 14
    • 24

    Possible early storm. Showers

    • 12
    • 24

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 23

    Cloudy

    • 13
    • 22

    Partly cloudy

Today 19 Dec Mount Lofty Ranges

Partly cloudy. The chance of a thunderstorm in the late morning and afternoon. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly 20 to 30 km/h in the early morning then tending south to southwesterly in the middle of the day. Overnight temperatures falling to between 16 and 22 with daytime temperatures reaching 24 to 33.

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  • Temperature Forecast Bureau of Meteorology

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Mount Observation Temperature Statistics View More

December Temperature

Strathalbyn Racecourse (14km)

  • Lowest 16 December, 2025

    6.8 °C

  • Average December

    18.8 °C

  • Highest 12 December, 2025

    37.3 °C

Climate (2020–Present)

Strathalbyn Racecourse (14km)

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  • Average Low 2020–2025

    10.3 °C

  • Average 2020–2025

    15.2 °C

  • Average High 2020–2025

    21.5 °C
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