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Monthly weather forecast in Boulder
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
22
−3
−6
22 December, sun
−3
−6
Feels like
−8
645 mmHg
64%
5.4
m/s
W
22 December, Sunday. day, -3°; night, -6°; partly cloudy
23
−2
−7
23 December, mon
−2
−7
Feels like
−8
645 mmHg
61%
5.5
m/s
W
23 December, Monday. day, -2°; night, -7°; snow
24
−2
−6
24 December, tue
−2
−6
Feels like
−7
645 mmHg
63%
5.6
m/s
W
24 December, Tuesday. day, -2°; night, -6°; clear
25
−4
−7
25 December, wed
−4
−7
Feels like
−10
645 mmHg
68%
6
m/s
W
25 December, Wednesday. day, -4°; night, -7°; clear
26
−3
−7
26 December, thu
−3
−7
Feels like
−8
646 mmHg
62%
5.8
m/s
W
26 December, Thursday. day, -3°; night, -7°; clear
27
December
+8
+3
27 December, fri
+8
+3
Feels like
−2
614 mmHg
42%
6.7
m/s
W
Climate normal
−2
−5
27 December, Friday. day, 8°; night, 3°; overcast
28
+11
+8
28 December, sat
+11
+8
Feels like
−4
616 mmHg
40%
13.6
m/s
W
Climate normal
−1
−6
28 December, Saturday. day, 11°; night, 8°; overcast
29
+16
+6
29 December, sun
+16
+6
Feels like
+1
617 mmHg
36%
12.9
m/s
W
Climate normal
−4
−7
29 December, Sunday. day, 16°; night, 6°; light rain
30
+6
−5
30 December, mon
+6
−5
Feels like
−8
623 mmHg
40%
12.5
m/s
W
Climate normal
+1
−9
30 December, Monday. day, 6°; night, -5°; overcast
31
+3
−6
31 December, tue
+3
−6
Feels like
−7
628 mmHg
52%
4.5
m/s
W
Climate normal
+1
−9
31 December, Tuesday. day, 3°; night, -6°; partly cloudy
1 January
+4
−5
1 January, wed
+4
−5
Feels like
−8
630 mmHg
39%
6.9
m/s
W
Climate normal
−3
−7
1 January, Wednesday. day, 4°; night, -5°; mostly clear
2
+8
−3
2 January, thu
+8
−3
Feels like
−4
630 mmHg
36%
5.7
m/s
W
Climate normal
−1
−5
2 January, Thursday. day, 8°; night, -3°; overcast
3
+10
+2
3 January, fri
+10
+2
Feels like
−2
634 mmHg
39%
6.1
m/s
W
Climate normal
−1
−6
3 January, Friday. day, 10°; night, 2°; partly cloudy
4
+12
+1
4 January, sat
+12
+1
Feels like
−2
624 mmHg
38%
10.8
m/s
W
Climate normal
−2
−6
4 January, Saturday. day, 12°; night, 1°; overcast
5
+4
−5
5 January, sun
+4
−5
Feels like
−7
628 mmHg
49%
7.5
m/s
W
Climate normal
−1
−4
5 January, Sunday. day, 4°; night, -5°; partly cloudy
6
+3
−2
6 January, mon
+3
−2
Feels like
−7
629 mmHg
58%
6.1
m/s
W
Climate normal
−1
−4
6 January, Monday. day, 3°; night, -2°; partly cloudy
7
+4
−12
7 January, tue
+4
−12
Feels like
−6
629 mmHg
61%
5.7
m/s
W
Climate normal
−2
−5
7 January, Tuesday. day, 4°; night, -12°; partly cloudy
8
−9
−11
8 January, wed
−9
−11
Feels like
−16
535 mmHg
95%
4.5
m/s
SE
Climate normal
0
−4
8 January, Wednesday. day, -9°; night, -11°; light snow
9
−9
−9
9 January, thu
−9
−9
Feels like
−15
535 mmHg
96%
4.4
m/s
SE
Climate normal
0
−5
9 January, Thursday. day, -9°; night, -9°; snow
10
−9
−20
10 January, fri
−9
−20
Feels like
−17
536 mmHg
93%
2.2
m/s
S
Climate normal
−2
−4
10 January, Friday. day, -9°; night, -20°; snow
11
−11
−22
11 January, sat
−11
−22
Feels like
−20
543 mmHg
93%
3.8
m/s
W
Climate normal
−1
−6
11 January, Saturday. day, -11°; night, -22°; partly cloudy
12
−11
−18
12 January, sun
−11
−18
Feels like
−20
545 mmHg
92%
4.3
m/s
W
Climate normal
−3
−7
12 January, Sunday. day, -11°; night, -18°; clear
13
−4
−15
13 January, mon
−4
−15
Feels like
−14
542 mmHg
96%
5.5
m/s
W
Climate normal
−1
−4
13 January, Monday. day, -4°; night, -15°; mostly clear
14
−6
−11
14 January, tue
−6
−11
Feels like
−14
537 mmHg
95%
4.8
m/s
W
Climate normal
−2
−5
14 January, Tuesday. day, -6°; night, -11°; mostly clear
15
−7
−18
15 January, wed
−7
−18
Feels like
−17
539 mmHg
93%
5.2
m/s
W
Climate normal
+1
−3
15 January, Wednesday. day, -7°; night, -18°; partly cloudy
16
−4
−9
16 January, thu
−4
−9
Feels like
−12
542 mmHg
96%
4.2
m/s
SW
Climate normal
0
−4
16 January, Thursday. day, -4°; night, -9°; partly cloudy
17
−5
−11
17 January, fri
−5
−11
Feels like
−11
540 mmHg
97%
2.9
m/s
N
Climate normal
0
−3
17 January, Friday. day, -5°; night, -11°; light snow
18
−7
−16
18 January, sat
−7
−16
Feels like
−15
542 mmHg
95%
4.2
m/s
W
Climate normal
+2
−2
18 January, Saturday. day, -7°; night, -16°; partly cloudy
19
−5
−8
19 January, sun
−5
−8
Feels like
−14
542 mmHg
96%
5.6
m/s
W
Climate normal
+3
−3
19 January, Sunday. day, -5°; night, -8°; partly cloudy
20
−1
−4
20 January, mon
−1
−4
Feels like
−8
535 mmHg
99%
4.9
m/s
SW
Climate normal
+1
−5
20 January, Monday. day, -1°; night, -4°; partly cloudy
21
−5
−11
21 January, tue
−5
−11
Feels like
−14
538 mmHg
97%
5.3
m/s
NW
Climate normal
0
−3
21 January, Tuesday. day, -5°; night, -11°; snow
22
−10
−12
22 January, wed
−10
−12
Feels like
−19
543 mmHg
93%
6.7
m/s
W
Climate normal
+1
−4
22 January, Wednesday. day, -10°; night, -12°; partly cloudy
23
−4
−10
23 January, thu
−4
−10
Feels like
−13
546 mmHg
97%
5.4
m/s
W
Climate normal
0
−4
23 January, Thursday. day, -4°; night, -10°; partly cloudy
24
−2
−8
24 January, fri
−2
−8
Feels like
−10
539 mmHg
98%
4.8
m/s
SW
Climate normal
0
−4
24 January, Friday. day, -2°; night, -8°; partly cloudy
25
−8
−21
25 January, sat
−8
−21
Feels like
−17
539 mmHg
93%
4.4
m/s
N
Climate normal
0
−4
25 January, Saturday. day, -8°; night, -21°; snow
Average for 30 days
4
sunny days
7
days with precipitation
19
cloudy days
4 sunny days; 7 days with precipitation; 19 cloudy days;
75
%
air humidity
6.1
m/s
Wind
W
8
mm of precipitation
(2% of annual average)
air humidity 75%; 8 millimeters of precipitation (2% of annual average); Wind westerly 6.1 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
W
W
W
W
W
W
W
W
SE
SE
S
W
W
W
W
W
SW
N
W
W
SW
NW
W
W
SW
N
27
Average data for 10 years
28
29
30
31
1
January
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Daytime temperature
Night-time temperature
