Allenstown Weather Forecast
- 23
- 33
Snow
- 13
- 30
Snow Likely
- 5
- 22
Partly Sunny
- 17
- 26
Mostly Cloudy
- 11
- 35
Partly Sunny
- 13
- 25
Mostly Cloudy
Today 18 Jan Merrimack
Cloudy. A slight chance of snow in the afternoon. Highs in the mid 30s. Light and variable Winds. Chance of snow 20 percent.
Tonight 18 Jan Merrimack
Cloudy. Lows in the lower 20s. Light and variable Winds.
Allenstown Temperature Statistics
January Temperature
Concord Municipal Airport (5.6 miles)
Lowest 2 January, 2026
1 °FAverage January
27.9 °FHighest 14 January, 2026
48 °F
Climate (2021–Present)
Concord Municipal Airport (5.6 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
49.2 °FAverage High 2021–2026
60 °F