St Marys Weather Forecast

    • 8
    • 17

    Partly cloudy

    • 6
    • 14

    Partly cloudy

    • 3
    • 19

    Sunny

    • 4
    • 13

    Partly cloudy

    • 5
    • 20

    Sunny

    • 5
    • 20

    Sunny

    • 5
    • 20

    Partly cloudy

Today 6 Sep East Coast

Slight chance of a shower early this morning. Mostly sunny afternoon. Winds southwesterly 20 to 30 km/h becoming light in the middle of the day then becoming west to northwesterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 15 and 18.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

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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