Allenstown Weather Forecast
- 21
- 52
Partly Cloudy
- 25
- 45
Snow
- 29
- 35
Snow Likely
- 38
- 55
Chance Rain
- 30
- 53
Mostly Sunny
- 36
- 58
Mostly Sunny
- 41
- 63
Mostly Sunny
Today 4 Mar Merrimack
Mostly sunny. Highs around 50. Light and variable Winds.
Tonight 4 Mar Merrimack
Mostly clear. Lows in the lower 20s. Light and variable Winds.
Allenstown Temperature Statistics
March Temperature
Concord Municipal Airport (5.6 miles)
Lowest 2 March, 2026
0 °FAverage March
19.9 °FHighest 1 March, 2026
33.1 °F
Climate (2021–Present)
Concord Municipal Airport (5.6 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
49.1 °FAverage High 2021–2026
60 °F