St Marys Weather Forecast

    • 7
    • 13

    Showers

    • 2
    • 12

    Shower or two

    • 2
    • 14

    Mostly sunny

    • 4
    • 15

    Sunny

    • 3
    • 15

    Partly cloudy

    • 4
    • 15

    Mostly sunny

    • 5
    • 15

    Mostly sunny

Today 13 Jul East Coast

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. Winds northwesterly 25 to 40 km/h turning westerly 20 to 30 km/h in the evening. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 10 and 15.

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St Marys Temperature Statistics View More

July Temperature

St Helens Aerodrome (28km)

  • Lowest 5 July, 2026

    4.2 °C

  • Average July

    9.5 °C

  • Highest 1 July, 2026

    16.7 °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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