Glen Allyn Weather Forecast

    • 14
    • 21

    Partly cloudy

    • 14
    • 25

    Mostly sunny

    • 12
    • 22

    Shower or two

    • 14
    • 20

    Shower or two

    • 13
    • 20

    Shower or two

    • 14
    • 22

    Partly cloudy

    • 13
    • 22

    Partly cloudy

Today 15 Sep North Tropical Coast and Tablelands

Partly cloudy. Slight chance of a shower near the coast, near zero chance elsewhere. Winds east to southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

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Glen Allyn Temperature Statistics View More

September Temperature

Walkamin Research Station (36km)

  • Lowest 7 September, 2026

    10.8 °C

  • Average September

    20.2 °C

  • Highest 8 September, 2026

    30.2 °C

Climate (2021–2026)

Walkamin Research Station (36km)

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  • Average Low 2021–2026

    17.6 °C

  • Average 2021–2026

    22.9 °C

  • Average High 2021–2026

    27.9 °C
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