Contoocook Weather Forecast
- 59
- 77
Rain Showers Likely
- 43
- 72
Mostly Sunny
- 45
- 65
Chance Rain Showers
- 45
- 60
Rain Showers Likely
- 45
- 64
Slight Chance Rain Showers
- 44
- 63
Slight Chance Rain Showers
Today 17 Sep Merrimack
Mostly cloudy. A chance of Showers in the afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 50 percent.
Tonight 17 Sep Merrimack
Cloudy with Showers likely in the Evening, then partly cloudy with a chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 70 percent.
Contoocook Temperature Statistics
September Temperature
Concord Municipal Airport (10.6 miles)
Lowest 12 September, 2026
41.6 °FAverage September
65.7 °FHighest 10 September, 2026
86.6 °F
Climate (2021–2026)
Concord Municipal Airport (10.6 miles)
Average Low 2021–2026
38.2 °FAverage 2021–2026
49.2 °FAverage High 2021–2026
60.2 °F