St Clair Weather Forecast

    • 17
    • 34

    Mostly clear

    • 18
    • 23

    Shower or two

    • 15
    • 20

    Cloudy

    • 13
    • 24

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 15
    • 27

    Partly cloudy

    • 14
    • 30

    Partly cloudy

Today 24 Dec Sydney

Mostly clear. Slight chance of a shower along the coastal fringe, most likely later tonight. Near zero chance of rain elsewhere. Winds west to southwesterly 15 to 25 km/h tending northeast to southeasterly 15 to 20 km/h in the evening then tending southerly 20 to 30 km/h in the late evening.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Clair Temperature Statistics View More

December Temperature

Horsley Park (9km)

  • Lowest 3 December, 2025

    9.6 °C

  • Average December

    22.9 °C

  • Highest 19 December, 2025

    41 °C

Climate (2020–Present)

Horsley Park (9km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.3 °C

  • Average High 2020–2025

    23.7 °C
Get WillyWeather+ to remove ads