Monthly Historical AveragesBoulder, CO
Average Temperature
High
5°
Feels 4
Low
-5°
Feels -10
Average Precipitation
1 Days
0mm
4.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
9°Feels 9
Wind
9 km/h W
Gust
13 km/h
Humidity
30%
P.O.P
0%
Night
-1°Feels -4
Wind
12 km/h W
Gust
18 km/h
Humidity
67%
P.O.P
0%
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity