Onyon Airport Weather Forecast

    • 54
    • 81

    Decreasing Clouds

    • 49
    • 69

    Partly Sunny

    • 50
    • 69

    Rain Showers Likely

    • 43
    • 61

    Chance Rain Showers

    • 46
    • 69

    Mostly Cloudy

    • 46
    • 69

    Chance Rain Showers

Today 27 May Western Windham

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 70s. West Winds around 5 Mph.

Tonight 27 May Western Windham

Mostly cloudy. Near steady temperature in the mid 50s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

May Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 9 May, 2026

    30 °F

  • Average May

    50.9 °F

  • Highest 5 May, 2026

    82 °F

Climate (2021–Present)

Keene, Dillant-Hopkins Airport (21.1 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.6 °F
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