Onyon Airport Weather Forecast

    • 21
    • 37

    Decreasing Clouds

    • 13
    • 35

    Mostly Cloudy

    • -1
    • 21

    Mostly Sunny

    • 20
    • 27

    Mostly Cloudy

    • 26
    • 38

    Rain/Snow Likely

    • 18
    • 36

    Chance Rain/Snow

    • 13
    • 33

    Slight Chance Snow

Today 6 Dec Western Windham

Mostly sunny. Not as cool with Highs in the lower 30s. Southwest Winds around 5 Mph.

Tonight 6 Dec Western Windham

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows around 18. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Onyon Airport Temperature Statistics

December Temperature

Keene, Dillant-Hopkins Airport (21.1 miles)

  • Lowest 4 December, 2025

    10.9 °F

  • Average December

    26.2 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (21.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    58.9 °F
Get WillyWeather+ to remove ads