St Marys South Weather Forecast

    • 11
    • 22

    Partly cloudy

    • 11
    • 23

    Shower or two

    • 11
    • 24

    Shower or two developing

    • 12
    • 27

    Partly cloudy

    • 13
    • 28

    Partly cloudy

    • 15
    • 27

    Possible shower

    • 16
    • 28

    Possible shower

Today 17 Oct Sydney

Partly cloudy. Slight chance of a shower, becoming less likely in the late afternoon and evening. Winds easterly 15 to 20 km/h becoming light in the evening.

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St Marys South Temperature Statistics View More

October Temperature

Horsley Park (11 km)

  • Lowest 9 October, 2026

    7.8 °C

  • Average October

    17.9 °C

  • Highest 12 October, 2026

    34.9 °C

Climate (2021–2026)

Horsley Park (11 km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.9 °C
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