St Marys South Weather Forecast

    • 10
    • 21

    Mostly sunny

    • 7
    • 19

    Partly cloudy

    • 7
    • 19

    Mostly sunny

    • 6
    • 19

    Sunny

    • 6
    • 18

    Sunny

    • 7
    • 18

    Partly cloudy

    • 8
    • 19

    Shower or two

Today 20 Jun Sydney

Mostly sunny. Winds north to northwesterly 15 to 20 km/h tending west to northwesterly in the middle of the day then becoming light in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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St Marys South Temperature Statistics View More

June Temperature

Horsley Park (11km)

  • Lowest 1 June, 2026

    4 °C

  • Average June

    14.3 °C

  • Highest 10 June, 2026

    22.9 °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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