St Marys Weather Forecast

    • 5
    • 14

    Partly cloudy

    • 4
    • 16

    Mostly sunny

    • 5
    • 15

    Sunny

    • 2
    • 18

    Sunny

    • 5
    • 19

    Sunny

    • 5
    • 20

    Mostly sunny

    • 6
    • 17

    Showers

Today 26 Aug East Coast

Cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late evening.

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St Marys Temperature Statistics View More

August Temperature

St Helens Aerodrome (28km)

  • Lowest 23 August, 2026

    2.5 °C

  • Average August

    10.8 °C

  • Highest 13 August, 2026

    19.2 °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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