St Marys South Weather Forecast

    • 20
    • 23

    Showers

    • 19
    • 24

    Shower or two

    • 19
    • 28

    Possible shower

    • 18
    • 31

    Mostly sunny

    • 19
    • 33

    Possible shower

    • 19
    • 23

    Shower or two

    • 17
    • 24

    Shower or two

Today 8 Mar Sydney

Cloudy. High chance of showers. The chance of a thunderstorm early this evening. Winds south to southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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St Marys South Temperature Statistics View More

March Temperature

Horsley Park (11km)

  • Lowest 1 March, 2026

    19 °C

  • Average March

    23.5 °C

  • Highest 4 March, 2026

    31.1 °C

Climate (2021–Present)

Horsley Park (11km)

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  • Average Low 2021–2026

    12.3 °C

  • Average 2021–2026

    17.3 °C

  • Average High 2021–2026

    23.7 °C
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