St Marys Weather Forecast

    • 8
    • 14

    Shower or two

    • 1
    • 11

    Partly cloudy

    • 3
    • 12

    Cloudy

    • 6
    • 14

    Partly cloudy

    • 3
    • 15

    Partly cloudy

    • 7
    • 14

    Shower or two

    • 4
    • 12

    Shower or two

Today 22 Jul East Coast

Partly cloudy. Medium chance of showers, becoming less likely in the evening. Snow possible above 700 metres. Winds northwesterly 20 to 30 km/h turning westerly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures between 10 and 15.

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St Marys Temperature Statistics View More

July Temperature

St Helens Aerodrome (28km)

  • Lowest 11 July, 2026

    3.4 °C

  • Average July

    9.9 °C

  • Highest 19 July, 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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