St Marys Weather Forecast

    • 15
    • 28

    Clear

    • 16
    • 27

    Becoming cloudy

    • 16
    • 25

    Partly cloudy

    • 16
    • 32

    Mostly sunny

    • 19
    • 39

    Possible storm

    • 21
    • 33

    Partly cloudy

    • 19
    • 33

    Partly cloudy

Today 21 Jan Sydney

Clear. Light winds.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

St Marys Temperature Statistics View More

January Temperature

Penrith Lakes (10km)

  • Lowest 12 January, 2026

    16 °C

  • Average January

    23.1 °C

  • Highest 9 January, 2026

    42.5 °C

Climate (2021–Present)

Penrith Lakes (10km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    17.7 °C

  • Average High 2021–2026

    24.8 °C
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