North St Marys Weather Forecast

    • 18
    • 21

    Showers. Possible late storm

    • 17
    • 22

    Rain

    • 17
    • 24

    Showers

    • 18
    • 25

    Shower or two

    • 17
    • 25

    Shower or two

    • 16
    • 30

    Possible shower

Today 17 Jan Sydney

Cloudy. Very high chance of rain. The chance of a thunderstorm during this afternoon and evening, possibly severe with heavy rain which may lead to flash flooding in the south. Winds southerly 25 to 40 km/h.

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North St Marys Temperature Statistics View More

January Temperature

Penrith Lakes (10km)

  • Lowest 12 January, 2026

    16 °C

  • Average January

    23.8 °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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