St Marys Weather Forecast

    • 12
    • 25

    Showers

    • 16
    • 23

    Windy. Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 9
    • 23

    Mostly sunny

    • 10
    • 22

    Shower or two developing

    • 13
    • 20

    Shower or two

    • 11
    • 19

    Shower or two

Today 9 Jan East Coast

Cloudy. High chance of showers. The chance of a thunderstorm in the morning. Winds northeasterly 15 to 25 km/h turning north to northwesterly in the afternoon. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching 21 to 26.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

January Temperature

St Helens Aerodrome (28km)

  • Lowest 1 January, 2026

    10.2 °C

  • Average January

    18.7 °C

  • Highest 7 January, 2026

    33.6 °C

Climate (2021–Present)

St Helens Aerodrome (28km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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