St Marys Weather Forecast

    • 5
    • 14

    Showers increasing

    • 5
    • 14

    Possible early shower

    • 2
    • 17

    Mostly sunny

    • 7
    • 14

    Showers

    • 3
    • 11

    Shower or two

    • 1
    • 11

    Shower or two

    • 2
    • 12

    Partly cloudy

Today 12 Aug East Coast

Partly cloudy. The chance of morning fog about higher ground. High chance of showers, most likely this evening. Winds northerly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures between 12 and 16.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

August Temperature

St Helens Aerodrome (28km)

  • Lowest 7 August, 2025

    1.5 °C

  • Average August

    9.6 °C

  • Highest 4 August, 2025

    15.5 °C

Climate (2020–Present)

St Helens Aerodrome (28km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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