Onyon Airport Weather Forecast

    • 52
    • 79

    Increasing Clouds

    • 47
    • 73

    Sunny

    • 58
    • 77

    Chance Rain Showers

    • 58
    • 78

    Mostly Cloudy

    • 54
    • 75

    Partly Sunny

    • 62
    • 79

    Slight Chance Rain Showers

Today 10 Sep Western Windham

Mostly sunny. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 10 Sep Western Windham

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler. Less humid with Lows in the upper 40s. West Winds 5 to 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 7 September, 2026

    46.4 °F

  • Average September

    63.9 °F

  • Highest 4 September, 2026

    81 °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

    48.2 °F

  • Average High 2021–2026

    58.7 °F
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