Monthly Historical AveragesThornton, NH
Average Temperature
High
4°
Feels 2
Low
-6°
Feels -10
Average Precipitation
8 Days
22.2mm
24.7cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, March 30, 2026
Day
14°Feels 12
Wind
23 km/h W
Gust
35 km/h
Humidity
44%
P.O.P
30%
Night
5°Feels 3
Wind
21 km/h W
Gust
32 km/h
Humidity
100%
P.O.P
80%
Rain
~1 mm
Historical AveragesMar 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity