Danbury Weather Forecast

    • 56
    • 80

    Mostly Cloudy

    • 56
    • 75

    Chance Rain Showers

    • 43
    • 70

    Partly Sunny

    • 46
    • 65

    Rain Showers Likely

    • 48
    • 63

    Rain Showers Likely

    • 48
    • 65

    Chance Rain Showers

Today 16 Sep Merrimack

Partly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 16 Sep Merrimack

Partly cloudy. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Danbury Temperature Statistics

September Temperature

Plymouth Municipal Airport (18 miles)

  • Lowest 12 September, 2026

    37.9 °F

  • Average September

    61.9 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Plymouth Municipal Airport (18 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    56.9 °F
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