Danbury Weather Forecast
- 50
- 68
Increasing Clouds
- 49
- 62
Rain
- 48
- 58
Rain
- 49
- 57
Rain Likely
- 48
- 64
Mostly Cloudy
- 50
- 69
Mostly Cloudy
Today 25 Sep Merrimack
Partly sunny. Highs in the upper 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 25 Sep Merrimack
Cloudy with a 20 percent chance of rain. Lows in the lower 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.
Danbury Temperature Statistics
September Temperature
Plymouth Municipal Airport (18 miles)
Lowest 15 September, 2026
37.6 °FAverage September
59.3 °FHighest 10 September, 2026
80.1 °F
Climate (2021–2026)
Plymouth Municipal Airport (18 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
46.3 °FAverage High 2021–2026
56.9 °F