St Marys Weather Forecast

    • 3
    • 19

    Sunny

    • 5
    • 13

    Partly cloudy

    • 6
    • 19

    Sunny

    • 5
    • 21

    Sunny

    • 6
    • 19

    Partly cloudy

    • 7
    • 20

    Shower or two

    • 9
    • 21

    Possible shower

Today 8 Sep East Coast

Sunny day. Areas of morning frost about higher ground. Slight chance of a shower later tonight. Light winds becoming west to northwesterly 15 to 25 km/h in the morning. Daytime maximum temperatures between 14 and 19.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

September Temperature

St Helens Aerodrome (28km)

  • Lowest 4 September, 2026

    6.1 °C

  • Average September

    12.5 °C

  • Highest 1 September, 2026

    17.3 °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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