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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
21
+10
+2
21 April, sun
+10
+2
Feels like
+5
644 mmHg
52%
5.5
m/s
W
21 April, Sunday. day, 10°; night, 2°; clear
22
+10
+4
22 April, mon
+10
+4
Feels like
+6
643 mmHg
51%
5.5
m/s
W
22 April, Monday. day, 10°; night, 4°; clear
23
+11
+3
23 April, tue
+11
+3
Feels like
+6
642 mmHg
44%
6.5
m/s
W
23 April, Tuesday. day, 11°; night, 3°; clear
24
April
+23
+8
24 April, wed
+23
+8
Feels like
+14
624 mmHg
44%
3.7
m/s
E
Climate normal
+10
+2
24 April, Wednesday. day, 23°; night, 8°; clear
25
+22
+12
25 April, thu
+22
+12
Feels like
+10
623 mmHg
36%
7.9
m/s
E
Climate normal
+8
+2
25 April, Thursday. day, 22°; night, 12°; light rain
26
+20
+6
26 April, fri
+20
+6
Feels like
+4
618 mmHg
42%
13.7
m/s
W
Climate normal
+6
+1
26 April, Friday. day, 20°; night, 6°; rain
27
+8
+4
27 April, sat
+8
+4
Feels like
+3
621 mmHg
87%
4.1
m/s
NE
Climate normal
+9
+1
27 April, Saturday. day, 8°; night, 4°; rain
28
+12
+6
28 April, sun
+12
+6
Feels like
+7
623 mmHg
71%
2.8
m/s
E
Climate normal
+8
+2
28 April, Sunday. day, 12°; night, 6°; partly cloudy
29
+20
+9
29 April, mon
+20
+9
Feels like
+9
623 mmHg
41%
5.6
m/s
W
Climate normal
+8
+1
29 April, Monday. day, 20°; night, 9°; mostly clear
30
+24
+11
30 April, tue
+24
+11
Feels like
+13
626 mmHg
35%
4.8
m/s
SW
Climate normal
+7
+1
30 April, Tuesday. day, 24°; night, 11°; clear
1 May
+22
+12
1 May, wed
+22
+12
Feels like
+14
629 mmHg
42%
4.7
m/s
SW
Climate normal
+7
+2
1 May, Wednesday. day, 22°; night, 12°; partly cloudy
2
+24
+11
2 May, thu
+24
+11
Feels like
+14
627 mmHg
53%
5.1
m/s
W
Climate normal
+10
+4
2 May, Thursday. day, 24°; night, 11°; partly cloudy
3
+24
+11
3 May, fri
+24
+11
Feels like
+14
626 mmHg
42%
5.5
m/s
W
Climate normal
+11
+5
3 May, Friday. day, 24°; night, 11°; clear
4
+19
+6
4 May, sat
+19
+6
Feels like
+7
625 mmHg
36%
7.5
m/s
W
Climate normal
+14
+8
4 May, Saturday. day, 19°; night, 6°; clear
5
+22
+8
5 May, sun
+22
+8
Feels like
+10
626 mmHg
40%
6.6
m/s
W
Climate normal
+15
+8
5 May, Sunday. day, 22°; night, 8°; partly cloudy
6
+19
+3
6 May, mon
+19
+3
Feels like
+11
626 mmHg
48%
4.3
m/s
W
Climate normal
+13
+6
6 May, Monday. day, 19°; night, 3°; mostly clear
7
+7
+3
7 May, tue
+7
+3
Feels like
+1
544 mmHg
67%
3.4
m/s
W
Climate normal
+9
+4
7 May, Tuesday. day, 7°; night, 3°; sleet
8
+11
+2
8 May, wed
+11
+2
Feels like
+4
545 mmHg
68%
2.3
m/s
SW
Climate normal
+10
+4
8 May, Wednesday. day, 11°; night, 2°; light rain
9
+14
+5
9 May, thu
+14
+5
Feels like
+7
546 mmHg
94%
2.7
m/s
NW
Climate normal
+10
+5
9 May, Thursday. day, 14°; night, 5°; light rain
10
+17
+7
10 May, fri
+17
+7
Feels like
+10
544 mmHg
70%
1.8
m/s
SW
Climate normal
+9
+3
10 May, Friday. day, 17°; night, 7°; mostly clear
11
+16
+5
11 May, sat
+16
+5
Feels like
+9
544 mmHg
69%
2.6
m/s
SW
Climate normal
+10
+5
11 May, Saturday. day, 16°; night, 5°; partly cloudy
12
+16
+7
12 May, sun
+16
+7
Feels like
+8
544 mmHg
77%
2.9
m/s
SW
Climate normal
+12
+5
12 May, Sunday. day, 16°; night, 7°; partly cloudy
13
+18
+7
13 May, mon
+18
+7
Feels like
+11
545 mmHg
91%
2.3
m/s
SW
Climate normal
+11
+5
13 May, Monday. day, 18°; night, 7°; light rain
14
+16
+7
14 May, tue
+16
+7
Feels like
+9
546 mmHg
79%
2
m/s
NW
Climate normal
+11
+6
14 May, Tuesday. day, 16°; night, 7°; rain
15
+13
+6
15 May, wed
+13
+6
Feels like
+6
546 mmHg
56%
2.9
m/s
S
Climate normal
+13
+7
15 May, Wednesday. day, 13°; night, 6°; rain
16
+13
+4
16 May, thu
+13
+4
Feels like
+6
544 mmHg
54%
3.3
m/s
NW
Climate normal
+14
+7
16 May, Thursday. day, 13°; night, 4°; light rain
17
+15
+6
17 May, fri
+15
+6
Feels like
+7
545 mmHg
46%
2.3
m/s
SE
Climate normal
+12
+6
17 May, Friday. day, 15°; night, 6°; light rain
18
+17
+8
18 May, sat
+17
+8
Feels like
+10
546 mmHg
80%
2.5
m/s
E
Climate normal
+12
+7
18 May, Saturday. day, 17°; night, 8°; mostly clear
19
+17
+6
19 May, sun
+17
+6
Feels like
+7
545 mmHg
89%
3.2
m/s
SW
Climate normal
+12
+6
19 May, Sunday. day, 17°; night, 6°; rain
20
+8
+5
20 May, mon
+8
+5
Feels like
+1
541 mmHg
78%
4.8
m/s
SW
Climate normal
+14
+8
20 May, Monday. day, 8°; night, 5°; rain
21
+12
+4
21 May, tue
+12
+4
Feels like
+4
542 mmHg
73%
3.3
m/s
SW
Climate normal
+16
+9
21 May, Tuesday. day, 12°; night, 4°; rain
22
+8
0
22 May, wed
+8
0
Feels like
+2
543 mmHg
88%
4.4
m/s
SW
Climate normal
+14
+7
22 May, Wednesday. day, 8°; night, 0°; rain
23
+8
+1
23 May, thu
+8
+1
Feels like
−1
547 mmHg
61%
3.6
m/s
N
Climate normal
+13
+7
23 May, Thursday. day, 8°; night, 1°; light rain
Average data for 10 years
Next, the average data for 10 years
24
+14
+7
24 May, fri
+14
+7
Feels like
+10
642 mmHg
46%
4.9
m/s
SE
24 May, Friday. day, 14°; night, 7°; rain
25
+15
+8
25 May, sat
+15
+8
Feels like
+11
644 mmHg
41%
6.8
m/s
E
25 May, Saturday. day, 15°; night, 8°; rain
Average for 30 days
12
sunny days
12
days with precipitation
6
cloudy days
12 sunny days; 12 days with precipitation; 6 cloudy days;
62
%
air humidity
4.2
m/s
Wind
SW
36
mm of precipitation
(7% of annual average)
air humidity 62%; 36 millimeters of precipitation (7% of annual average); Wind south-westerly 4.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
W
NE
E
W
SW
SW
W
W
W
W
W
W
SW
NW
SW
SW
SW
SW
NW
S
NW
SE
E
SW
SW
SW
SW
N
24
Average data for 10 years
25
26
27
28
29
30
1
May
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Daytime temperature
Night-time temperature
