Onyon Airport Weather Forecast

    • 53
    • 69

    Mostly Cloudy

    • 52
    • 63

    Rain

    • 53
    • 60

    Rain

    • 54
    • 60

    Rain

    • 53
    • 66

    Mostly Cloudy

    • 53
    • 72

    Mostly Cloudy

    • 55
    • 74

    Slight Chance Rain Showers

Today 25 Sep Western Windham

Mostly sunny. Highs in the upper 60s.

Tonight 25 Sep Western Windham

Cloudy. Lows around 50. Northeast Winds 5 to 10 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 23 September, 2026

    35.6 °F

  • Average September

    61.3 °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

    37.6 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.7 °F
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