St Marys Weather Forecast

    • 10
    • 18

    Partly cloudy

    • 8
    • 17

    Shower or two

    • 6
    • 18

    Partly cloudy

    • 5
    • 19

    Partly cloudy

    • 8
    • 17

    Shower or two

    • 6
    • 20

    Mostly sunny

    • 6
    • 20

    Sunny

Today 8 Jul Sydney

Partly cloudy. High chance of showers along the coastal fringe, medium chance elsewhere. Winds southwesterly 15 to 20 km/h tending southerly 15 to 25 km/h in the middle of the day then becoming light in the evening.

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St Marys Temperature Statistics View More

July Temperature

Penrith Lakes (10km)

  • Lowest 4 July, 2026

    3.6 °C

  • Average July

    13 °C

  • Highest 2 July, 2026

    23.6 °C

Climate (2021–2026)

Penrith Lakes (10km)

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  • Average Low 2021–2026

    12.6 °C

  • Average 2021–2026

    17.9 °C

  • Average High 2021–2026

    24.9 °C
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