St Marys South Weather Forecast

    • 3
    • 19

    Mostly sunny

    • 6
    • 17

    Showers

    • 8
    • 18

    Showers easing

    • 8
    • 20

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 7
    • 20

    Sunny

    • 4
    • 20

    Mostly sunny

Today 8 Aug Sydney

Mostly sunny. The chance of fog early this morning, mainly in the west. Patches of morning frost in the west. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Marys South Temperature Statistics View More

August Temperature

Horsley Park (11km)

  • Lowest 5 August, 2026

    1.5 °C

  • Average August

    10.3 °C

  • Highest 3 August, 2026

    22.3 °C

Climate (2021–2026)

Horsley Park (11km)

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

  • Average Low 2021–2026

    12.4 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    23.8 °C
Get WillyWeather+ to remove ads