Onyon Airport Weather Forecast

    • 46
    • 49

    Rain

    • 53
    • 74

    Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 54
    • 81

    Chance Thunderstorms

    • 49
    • 74

    Chance Rain Showers

    • 48
    • 68

    Chance Rain Showers

Today 24 May Western Windham

Rain, cooler with Highs in the upper 40s. Southeast Winds around 5 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 24 May Western Windham

Rain. Near steady temperature in the lower 40s. Southeast Winds around 5 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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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

    50.1 °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

    48.1 °F

  • Average High 2021–2026

    58.6 °F
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