Onyon Airport Weather Forecast

    • 58
    • 81

    Increasing Clouds

    • 60
    • 76

    Rain Showers Likely

    • 43
    • 73

    Partly Sunny

    • 46
    • 68

    Rain Showers Likely

    • 47
    • 64

    Chance Rain Showers

    • 48
    • 67

    Chance Rain Showers

Today 16 Sep Western Windham

Mostly sunny. Highs in the mid 70s. Southwest Winds around 5 Mph this Morning, becoming light and variable.

Tonight 16 Sep Western Windham

Mostly cloudy. Patchy fog after midnight. Not as cool with Lows in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 12 September, 2026

    42.8 °F

  • Average September

    64 °F

  • Highest 10 September, 2026

    82 °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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