St Marys South Weather Forecast

    • 10
    • 20

    Showers

    • 12
    • 24

    Shower or two

    • 13
    • 27

    Shower or two

    • 14
    • 29

    Shower or two

    • 15
    • 31

    Partly cloudy

    • 17
    • 34

    Shower or two

    • 17
    • 27

    Shower or two

Today 29 Oct Sydney

Cloudy. High chance of showers, most likely in the morning and afternoon. Light winds becoming east to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

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St Marys South Temperature Statistics View More

October Temperature

Horsley Park (11km)

  • Lowest 3 October, 2025

    6.4 °C

  • Average October

    19.8 °C

  • Highest 22 October, 2025

    38.3 °C

Climate (2020–Present)

Horsley Park (11km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    23.6 °C
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