St Marys Weather Forecast

    • 5
    • 17

    Sunny

    • 7
    • 20

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 6
    • 13

    Shower or two

    • 4
    • 13

    Partly cloudy

    • 3
    • 17

    Sunny

    • 5
    • 20

    Mostly sunny

Today 12 Sep East Coast

Sunny. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then tending northwest to northeasterly in the evening. Daytime maximum temperatures between 16 and 20.

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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 8 September, 2026

    3.5 °C

  • Average September

    11.9 °C

  • Highest 10 September, 2026

    22.2 °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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