St Marys Weather Forecast

    • 5
    • 16

    Partly cloudy

    • 6
    • 14

    Early shower or two

    • 0
    • 15

    Morning frost. Sunny

    • 6
    • 16

    Shower or two

    • 6
    • 12

    Shower or two

    • 5
    • 13

    Possible shower

    • 2
    • 15

    Mostly sunny

Today 21 Aug East Coast

Partly cloudy. Slight chance of a shower. Winds west to northwesterly 15 to 25 km/h. Daytime maximum temperatures between 12 and 17.

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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 1 August, 2026

    3 °C

  • Average August

    10.4 °C

  • Highest 13 August, 2026

    19.2 °C

Climate (2021–2026)

St Helens Aerodrome (28km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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