Monthly Historical AveragesAlton, NH
Average Temperature
High
-1°
Feels -5
Low
-10°
Feels -16
Average Precipitation
7 Days
0mm
43cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, January 21, 2026
Day
-6°Feels -12
Wind
17 km/h SW
Gust
26 km/h
Humidity
45%
P.O.P
30%
Night
-6°Feels -13
Wind
19 km/h S
Gust
29 km/h
Humidity
93%
P.O.P
60%
Snow
~1 cm
Historical AveragesJan 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity