Onyon Airport Weather Forecast

    • 21
    • 35

    Increasing Clouds

    • 0
    • 35

    Chance Snow Showers

    • 12
    • 24

    Mostly Cloudy

    • 18
    • 35

    Mostly Cloudy

    • 7
    • 32

    Partly Sunny

    • 3
    • 25

    Partly Sunny

Today 3 Dec Western Windham

Mostly sunny. Cold with Highs in the lower 30s. Light and variable Winds.

Tonight 3 Dec Western Windham

Mostly cloudy and cold. Near steady temperature around 20. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

December Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    29.6 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (21.1 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    58.9 °F
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