Onyon Airport Weather Forecast

    • -2
    • 19

    Decreasing Clouds

    • -6
    • 12

    Mostly Sunny

    • 2
    • 19

    Partly Sunny

    • 11
    • 23

    Chance Snow

    • 9
    • 30

    Partly Sunny

    • 9
    • 31

    Partly Sunny

Today 29 Jan Western Windham

Mostly sunny. Cold with Highs around 13. West Winds around 5 Mph.

Tonight 29 Jan Western Windham

Mostly cloudy with a 20 percent chance of snow Showers. Cold with Lows around 1 below. Light and variable Winds.

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Onyon Airport Temperature Statistics

January Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 25 January, 2026

    -7.1 °F

  • Average January

    23.6 °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

    48.1 °F

  • Average High 2021–2026

    58.8 °F
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