Glen Allyn Weather Forecast

    • 12
    • 21

    Cloudy

    • 13
    • 23

    Mostly sunny

    • 11
    • 23

    Mostly sunny

    • 14
    • 23

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 14
    • 24

    Partly cloudy

Today 22 May North Tropical Coast and Tablelands

Partly cloudy. Slight chance of a shower near the coast, most likely in the morning and afternoon. Near zero chance of rain elsewhere. Winds east to southeasterly 20 to 30 km/h. Overnight temperatures falling to between 10 and 17 with daytime temperatures reaching 21 to 27.

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Glen Allyn Temperature Statistics View More

May Temperature

Walkamin Research Station (36km)

  • Lowest 21 May, 2026

    12 °C

  • Average May

    21.4 °C

  • Highest 19 May, 2026

    27.8 °C

Climate (2021–Present)

Walkamin Research Station (36km)

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  • Average Low 2021–2026

    17.8 °C

  • Average 2021–2026

    22.9 °C

  • Average High 2021–2026

    28 °C
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