St Marys Weather Forecast

    • 3
    • 13

    Shower or two

    • 4
    • 14

    Shower or two

    • 2
    • 13

    Sunny

    • 1
    • 13

    Possible shower

    • 7
    • 13

    Showers

    • 7
    • 14

    Shower or two

    • 5
    • 14

    Shower or two

Today 5 Aug East Coast

Partly cloudy. Medium chance of showers, most likely in the morning. Light winds becoming south to southwesterly 15 to 20 km/h in the middle of the day then tending west to southwesterly in the evening. Overnight temperatures falling to between 1 and 5 with daytime temperatures reaching between 10 and 14.

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St Marys Temperature Statistics View More

August Temperature

St Helens Aerodrome (28km)

  • Lowest 1 August, 2026

    3 °C

  • Average August

    8.4 °C

  • Highest 2 August, 2026

    15.7 °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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