Onyon Airport Weather Forecast

    • 16
    • 45

    Rain

    • 15
    • 21

    Mostly Cloudy

    • 10
    • 30

    Slight Chance Snow Showers

    • 7
    • 21

    Partly Sunny

    • 11
    • 23

    Partly Sunny

    • 14
    • 27

    Slight Chance Snow Showers

Today 29 Dec Western Windham

Rain, mainly in the morning. Not as cool with Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Southwest Winds around 5 Mph. Gusts up to 30 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 29 Dec Western Windham

Mostly cloudy. Much Colder with Lows around 11. West Winds 10 to 15 Mph with Gusts up to 45 Mph. Wind chill Values as low as 1 below after midnight.

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Onyon Airport Temperature Statistics

December Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 9 December, 2025

    -9 °F
  • Average December

    24.8 °F
  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (21.1 miles)

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  • Average Low 2020–2025

    38 °F
  • Average 2020–2025

    48.2 °F
  • Average High 2020–2025

    58.8 °F
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