Monthly Historical AveragesWaltham, MA
Average Temperature
High
5°
Feels 2
Low
-3°
Feels -7
Average Precipitation
11 Days
60.5mm
17.3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, December 25, 2025
Day
4°Feels 1
Wind
23 km/h SW
Gust
35 km/h
Humidity
55%
P.O.P
40%
Snow
<1 cm
Rain
~1 mm
Night
-11°Feels -18
Wind
24 km/h N
Gust
36 km/h
Humidity
59%
P.O.P
20%
Historical AveragesDec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity