Onyon Airport Weather Forecast

    • 51
    • 68

    Patchy Fog

    • 53
    • 74

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 50
    • 75

    Chance Rain Showers

    • 46
    • 68

    Chance Rain Showers

    • 46
    • 64

    Chance Rain Showers

Today 29 Sep Western Windham

Partly sunny. Patchy drizzle in the morning. Patchy fog in the morning. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 29 Sep Western Windham

Partly cloudy. Patchy fog. Lows in the mid 40s. 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 23 September, 2026

    35.6 °F

  • Average September

    60.5 °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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