St Marys South Weather Forecast

    • 8
    • 21

    Partly cloudy

    • 6
    • 23

    Sunny

    • 8
    • 24

    Mostly sunny

    • 8
    • 27

    Sunny

    • 13
    • 27

    Mostly sunny

    • 13
    • 26

    Mostly sunny

    • 10
    • 27

    Sunny

Today 29 Aug Sydney

Partly cloudy. Possible fog early this morning, mainly in the west. Slight chance of a shower along the coastal fringe this morning. Near zero chance of rain elsewhere. Light winds becoming south to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

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St Marys South Temperature Statistics View More

August Temperature

Horsley Park (11km)

  • Lowest 5 August, 2026

    1.5 °C

  • Average August

    12.7 °C

  • Highest 24 August, 2026

    24.5 °C

Climate (2021–2026)

Horsley Park (11km)

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  • Average Low 2021–2026

    12.4 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    23.8 °C
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