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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
28
April
+16
+7
28 April, sun
+16
+7
Feels like
+5
620 mmHg
60%
5.8
m/s
E
Climate normal
+8
+2
28 April, Sunday. day, 16°; night, 7°; light rain
29
+20
+11
29 April, mon
+20
+11
Feels like
+11
619 mmHg
37%
6.6
m/s
W
Climate normal
+8
+1
29 April, Monday. day, 20°; night, 11°; clear
30
+22
+6
30 April, tue
+22
+6
Feels like
+10
617 mmHg
33%
9.2
m/s
W
Climate normal
+7
+1
30 April, Tuesday. day, 22°; night, 6°; clear
1 May
+20
+6
1 May, wed
+20
+6
Feels like
+10
615 mmHg
59%
5
m/s
E
Climate normal
+7
+2
1 May, Wednesday. day, 20°; night, 6°; light rain
2
+10
+3
2 May, thu
+10
+3
Feels like
+1
623 mmHg
59%
8.5
m/s
NW
Climate normal
+10
+4
2 May, Thursday. day, 10°; night, 3°; partly cloudy
3
+16
+6
3 May, fri
+16
+6
Feels like
+5
624 mmHg
43%
5.2
m/s
W
Climate normal
+11
+5
3 May, Friday. day, 16°; night, 6°; clear
4
+19
+8
4 May, sat
+19
+8
Feels like
+9
624 mmHg
39%
5
m/s
W
Climate normal
+14
+8
4 May, Saturday. day, 19°; night, 8°; mostly clear
5
+24
+11
5 May, sun
+24
+11
Feels like
+14
625 mmHg
38%
3.8
m/s
SE
Climate normal
+15
+8
5 May, Sunday. day, 24°; night, 11°; clear
6
+25
+11
6 May, mon
+25
+11
Feels like
+15
626 mmHg
32%
5
m/s
W
Climate normal
+13
+6
6 May, Monday. day, 25°; night, 11°; clear
7
+20
+9
7 May, tue
+20
+9
Feels like
+10
625 mmHg
37%
6.2
m/s
W
Climate normal
+9
+4
7 May, Tuesday. day, 20°; night, 9°; mostly clear
8
+19
+7
8 May, wed
+19
+7
Feels like
+7
623 mmHg
40%
7.4
m/s
W
Climate normal
+10
+4
8 May, Wednesday. day, 19°; night, 7°; clear
9
+17
+7
9 May, thu
+17
+7
Feels like
+8
628 mmHg
56%
3.6
m/s
W
Climate normal
+10
+5
9 May, Thursday. day, 17°; night, 7°; partly cloudy
10
+17
+6
10 May, fri
+17
+6
Feels like
+7
628 mmHg
53%
6
m/s
W
Climate normal
+9
+3
10 May, Friday. day, 17°; night, 6°; partly cloudy
11
+13
+1
11 May, sat
+13
+1
Feels like
+2
538 mmHg
36%
5.7
m/s
SW
Climate normal
+10
+5
11 May, Saturday. day, 13°; night, 1°; partly cloudy
12
+6
−2
12 May, sun
+6
−2
Feels like
−5
539 mmHg
37%
5.8
m/s
SW
Climate normal
+12
+5
12 May, Sunday. day, 6°; night, -2°; mostly clear
13
+10
−3
13 May, mon
+10
−3
Feels like
0
542 mmHg
52%
3
m/s
SW
Climate normal
+11
+5
13 May, Monday. day, 10°; night, -3°; mostly clear
14
+12
+3
14 May, tue
+12
+3
Feels like
0
545 mmHg
35%
2.6
m/s
NW
Climate normal
+11
+6
14 May, Tuesday. day, 12°; night, 3°; mostly clear
15
+11
+3
15 May, wed
+11
+3
Feels like
+3
543 mmHg
68%
4.2
m/s
S
Climate normal
+13
+7
15 May, Wednesday. day, 11°; night, 3°; rain
16
+13
+3
16 May, thu
+13
+3
Feels like
+4
544 mmHg
73%
3.1
m/s
W
Climate normal
+14
+7
16 May, Thursday. day, 13°; night, 3°; mostly clear
17
+12
+4
17 May, fri
+12
+4
Feels like
+4
544 mmHg
98%
2.6
m/s
SE
Climate normal
+12
+6
17 May, Friday. day, 12°; night, 4°; rain
18
+11
+1
18 May, sat
+11
+1
Feels like
+4
542 mmHg
88%
2.8
m/s
NW
Climate normal
+12
+7
18 May, Saturday. day, 11°; night, 1°; sleet
19
+15
+5
19 May, sun
+15
+5
Feels like
+5
545 mmHg
67%
2
m/s
SW
Climate normal
+12
+6
19 May, Sunday. day, 15°; night, 5°; rain
20
+14
+4
20 May, mon
+14
+4
Feels like
+6
547 mmHg
69%
3.3
m/s
NW
Climate normal
+14
+8
20 May, Monday. day, 14°; night, 4°; rain
21
+17
+6
21 May, tue
+17
+6
Feels like
+10
549 mmHg
73%
2.3
m/s
NW
Climate normal
+16
+9
21 May, Tuesday. day, 17°; night, 6°; mostly clear
22
+19
+4
22 May, wed
+19
+4
Feels like
+11
546 mmHg
57%
2.4
m/s
SW
Climate normal
+14
+7
22 May, Wednesday. day, 19°; night, 4°; partly cloudy
23
+12
+3
23 May, thu
+12
+3
Feels like
+4
547 mmHg
51%
2.7
m/s
NW
Climate normal
+13
+7
23 May, Thursday. day, 12°; night, 3°; mostly clear
24
+14
+4
24 May, fri
+14
+4
Feels like
+4
546 mmHg
40%
3.7
m/s
NW
Climate normal
+14
+7
24 May, Friday. day, 14°; night, 4°; mostly clear
25
+10
+2
25 May, sat
+10
+2
Feels like
+3
548 mmHg
71%
3.4
m/s
NE
Climate normal
+15
+8
25 May, Saturday. day, 10°; night, 2°; partly cloudy
26
+13
+3
26 May, sun
+13
+3
Feels like
+5
549 mmHg
60%
3.2
m/s
NE
Climate normal
+16
+10
26 May, Sunday. day, 13°; night, 3°; partly cloudy
27
+19
+8
27 May, mon
+19
+8
Feels like
+10
548 mmHg
47%
2.4
m/s
SW
Climate normal
+15
+8
27 May, Monday. day, 19°; night, 8°; mostly clear
Average data for 10 years
Next, the average data for 10 years
28
+16
+9
28 May, tue
+16
+9
Feels like
+11
644 mmHg
44%
6
m/s
W
28 May, Tuesday. day, 16°; night, 9°; rain
29
+16
+9
29 May, wed
+16
+9
Feels like
+11
645 mmHg
43%
6.4
m/s
NW
29 May, Wednesday. day, 16°; night, 9°; partly cloudy
30
+18
+11
30 May, thu
+18
+11
Feels like
+14
645 mmHg
34%
5.5
m/s
W
30 May, Thursday. day, 18°; night, 11°; partly cloudy
31
+17
+10
31 May, fri
+17
+10
Feels like
+14
646 mmHg
40%
4.3
m/s
S
31 May, Friday. day, 17°; night, 10°; partly cloudy
1 June
+19
+11
1 June, sat
+19
+11
Feels like
+15
645 mmHg
40%
5.8
m/s
SW
1 June, Saturday. day, 19°; night, 11°; partly cloudy
Average for 30 days
18
sunny days
5
days with precipitation
7
cloudy days
18 sunny days; 5 days with precipitation; 7 cloudy days;
54
%
air humidity
4.4
m/s
Wind
W
4
mm of precipitation
(1% of annual average)
air humidity 54%; 4 millimeters of precipitation (1% of annual average); Wind westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
W
W
E
NW
W
W
SE
W
W
W
W
W
SW
SW
SW
NW
S
W
SE
NW
SW
NW
NW
SW
NW
NW
NE
NE
SW
28
Average data for 10 years
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
24
25
26
27
Daytime temperature
Night-time temperature
