Onyon Airport Weather Forecast

    • 11
    • 30

    Mostly Cloudy

    • 5
    • 19

    Partly Sunny

    • 18
    • 28

    Chance Snow

    • 12
    • 36

    Chance Rain/Snow

    • 7
    • 22

    Partly Sunny

    • 2
    • 20

    Partly Sunny

Today 19 Jan Western Windham

Mostly cloudy. Cold with Highs in the mid 20s. Southwest Winds around 5 Mph.

Tonight 19 Jan Western Windham

Mostly cloudy with a 40 percent chance of snow. Cold with Lows around 17. Light and variable Winds.

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Onyon Airport Temperature Statistics

January Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 5 January, 2026

    1.9 °F

  • Average January

    27.5 °F

  • Highest 14 January, 2026

    46 °F

Climate (2021–Present)

Keene, Dillant-Hopkins Airport (21.1 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    58.8 °F
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