Onyon Airport Weather Forecast

    • 41
    • 58

    Rain Showers

    • 46
    • 69

    Rain Showers Likely

    • 44
    • 66

    Rain Showers Likely

    • 46
    • 70

    Chance Rain Showers

    • 49
    • 71

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 30 May Western Windham

Mostly cloudy. Showers, mainly this morning. Cooler with Highs in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 30 May Western Windham

Partly cloudy in the Evening, then clearing. Areas of frost after midnight. Lows in the upper 30s. North Winds around 5 Mph in the Evening, becoming light and variable.

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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

    53.2 °F

  • Highest 27 May, 2026

    82.9 °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

    48.1 °F

  • Average High 2021–2026

    58.6 °F
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