Onyon Airport Weather Forecast

    • 63
    • 78

    Rain Showers

    • 55
    • 81

    Chance Thunderstorms

    • 53
    • 78

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 62
    • 88

    Mostly Cloudy

Today 21 Jul Western Windham

Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. More humid with Highs in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 21 Jul Western Windham

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows around 60. South Winds around 5 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of rain 90 percent.

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Onyon Airport Temperature Statistics

July Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 12 July, 2026

    51.8 °F

  • Average July

    72.7 °F

  • Highest 2 July, 2026

    95 °F

Climate (2021–2026)

Keene, Dillant-Hopkins Airport (21.1 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.7 °F
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