St Marys South Weather Forecast

    • 19
    • 22

    Rain. Possible heavy falls

    • 18
    • 25

    Shower or two

    • 18
    • 25

    Possible shower

    • 15
    • 25

    Partly cloudy

    • 14
    • 23

    Cloudy

    • 14
    • 29

    Cloud clearing

    • 13
    • 28

    Partly cloudy

Today 29 Mar Sydney

Cloudy. Very high chance of rain. The chance of a thunderstorm. Heavy falls possible. Light winds becoming south to southeasterly 15 to 25 km/h in the middle of the day then tending south to southwesterly in the evening.

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St Marys South Temperature Statistics View More

March Temperature

Horsley Park (11km)

  • Lowest 18 March, 2025

    13 °C

  • Average March

    22.3 °C

  • Highest 16 March, 2025

    37.8 °C

Climate (2020–Present)

Horsley Park (11km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.1 °C

  • Average High 2020–2025

    23.5 °C
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