St Marys East Weather Forecast

    • 8
    • 26

    Becoming cloudy

    • 15
    • 21

    Possible early shower

    • 7
    • 23

    Sunny

    • 9
    • 23

    Becoming cloudy

    • 9
    • 18

    Shower or two

    • 8
    • 22

    Sunny

    • 8
    • 26

    Mostly sunny

Today 19 Sep Sydney

Sunny morning. Patchy fog in the west early this morning. Slight chance of a shower late this afternoon and evening. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then tending north to northwesterly in the early afternoon.

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St Marys East Temperature Statistics View More

September Temperature

Horsley Park (9km)

  • Lowest 3 September, 2025

    5.2 °C

  • Average September

    15.8 °C

  • Highest 8 September, 2025

    28.9 °C

Climate (2020–Present)

Horsley Park (9km)

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  • Average Low 2020–2025

    12.2 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    23.5 °C
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