St Marys Weather Forecast

    • 3
    • 13

    Partly cloudy

    • 4
    • 13

    Shower or two

    • 5
    • 12

    Shower or two

    • 6
    • 14

    Shower or two

    • 3
    • 12

    Shower or two

    • 3
    • 12

    Partly cloudy

    • 4
    • 14

    Mostly sunny

Today 10 Jul East Coast

Patchy morning fog. Patches of morning frost in the south. Mostly sunny afternoon. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day. Overnight temperatures falling to between 1 and 4 with daytime temperatures reaching between 10 and 14.

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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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