Danbury Weather Forecast

    • 13
    • 23

    Chance Snow

    • 21
    • 34

    Snow

    • 11
    • 29

    Partly Sunny

    • 10
    • 25

    Partly Sunny

    • 14
    • 30

    Snow Showers

    • 5
    • 25

    Mostly Cloudy

Today 9 Dec Merrimack

Mostly sunny. Highs in the lower 20s. Light and variable Winds.

Tonight 9 Dec Merrimack

Clear, cooler with Lows 2 below to 8 below zero. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Danbury Temperature Statistics

December Temperature

Plymouth Municipal Airport (18 miles)

  • Lowest 6 December, 2025

    -3.5 °F

  • Average December

    21.3 °F

  • Highest 1 December, 2025

    36.5 °F

Climate (2020–Present)

Plymouth Municipal Airport (18 miles)

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

  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    57.1 °F
Get WillyWeather+ to remove ads