Danbury Weather Forecast

    • 48
    • 69

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 61
    • 72

    Rain Showers Likely

    • 52
    • 78

    Slight Chance Rain Showers

    • 48
    • 70

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

Today 6 Sep Merrimack

Partly sunny with isolated Showers. Highs around 70. North Winds around 10 Mph. Chance of rain 20 percent.

Tonight 6 Sep Merrimack

Mostly clear. Isolated Showers in the evening. Lows around 50. Northwest Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Danbury Temperature Statistics

September Temperature

Plymouth Municipal Airport (18 miles)

  • Lowest 1 September, 2026

    49.1 °F

  • Average September

    64.4 °F

  • Highest 4 September, 2026

    77.5 °F

Climate (2021–2026)

Plymouth Municipal Airport (18 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
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