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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
5
May
+21
+11
5 May, sun
+21
+11
Feels like
+7
612 mmHg
40%
8.8
m/s
SE
Climate normal
+15
+8
5 May, Sunday. day, 21°; night, 11°; clear
6
+13
+6
6 May, mon
+13
+6
Feels like
−2
610 mmHg
39%
16.5
m/s
W
Climate normal
+13
+6
6 May, Monday. day, 13°; night, 6°; clear
7
+14
+3
7 May, tue
+14
+3
Feels like
+3
612 mmHg
41%
10.5
m/s
W
Climate normal
+9
+4
7 May, Tuesday. day, 14°; night, 3°; partly cloudy
8
+14
+6
8 May, wed
+14
+6
Feels like
+1
616 mmHg
30%
11.1
m/s
W
Climate normal
+10
+4
8 May, Wednesday. day, 14°; night, 6°; clear
9
+12
+6
9 May, thu
+12
+6
Feels like
+6
628 mmHg
67%
3
m/s
E
Climate normal
+10
+5
9 May, Thursday. day, 12°; night, 6°; overcast
10
+14
+7
10 May, fri
+14
+7
Feels like
+6
629 mmHg
66%
4
m/s
E
Climate normal
+9
+3
10 May, Friday. day, 14°; night, 7°; overcast
11
+17
+7
11 May, sat
+17
+7
Feels like
+9
627 mmHg
58%
3.5
m/s
E
Climate normal
+10
+5
11 May, Saturday. day, 17°; night, 7°; partly cloudy
12
+22
+10
12 May, sun
+22
+10
Feels like
+12
626 mmHg
47%
3.9
m/s
E
Climate normal
+12
+5
12 May, Sunday. day, 22°; night, 10°; mostly clear
13
+22
+10
13 May, mon
+22
+10
Feels like
+13
629 mmHg
51%
4
m/s
W
Climate normal
+11
+5
13 May, Monday. day, 22°; night, 10°; mostly clear
14
+22
+11
14 May, tue
+22
+11
Feels like
+14
628 mmHg
51%
3.8
m/s
W
Climate normal
+11
+6
14 May, Tuesday. day, 22°; night, 11°; partly cloudy
15
+22
+10
15 May, wed
+22
+10
Feels like
+13
628 mmHg
51%
4.1
m/s
W
Climate normal
+13
+7
15 May, Wednesday. day, 22°; night, 10°; partly cloudy
16
+25
+10
16 May, thu
+25
+10
Feels like
+14
629 mmHg
39%
5.5
m/s
W
Climate normal
+14
+7
16 May, Thursday. day, 25°; night, 10°; mostly clear
17
+23
+3
17 May, fri
+23
+3
Feels like
+13
628 mmHg
56%
4.6
m/s
E
Climate normal
+12
+6
17 May, Friday. day, 23°; night, 3°; partly cloudy
18
+11
+4
18 May, sat
+11
+4
Feels like
+5
544 mmHg
80%
1.5
m/s
NW
Climate normal
+12
+7
18 May, Saturday. day, 11°; night, 4°; rain
19
+14
+4
19 May, sun
+14
+4
Feels like
+5
544 mmHg
73%
2.5
m/s
NW
Climate normal
+12
+6
19 May, Sunday. day, 14°; night, 4°; rain
20
+14
+5
20 May, mon
+14
+5
Feels like
+6
546 mmHg
66%
1.9
m/s
SW
Climate normal
+14
+8
20 May, Monday. day, 14°; night, 5°; light rain
21
+18
+7
21 May, tue
+18
+7
Feels like
+8
546 mmHg
50%
3.9
m/s
S
Climate normal
+16
+9
21 May, Tuesday. day, 18°; night, 7°; mostly clear
22
+19
+6
22 May, wed
+19
+6
Feels like
+8
546 mmHg
33%
3.3
m/s
SW
Climate normal
+14
+7
22 May, Wednesday. day, 19°; night, 6°; clear
23
+21
+7
23 May, thu
+21
+7
Feels like
+10
548 mmHg
38%
3.9
m/s
W
Climate normal
+13
+7
23 May, Thursday. day, 21°; night, 7°; mostly clear
24
+19
+10
24 May, fri
+19
+10
Feels like
+11
548 mmHg
56%
2.4
m/s
W
Climate normal
+14
+7
24 May, Friday. day, 19°; night, 10°; mostly clear
25
+22
+8
25 May, sat
+22
+8
Feels like
+14
548 mmHg
46%
2.8
m/s
SE
Climate normal
+15
+8
25 May, Saturday. day, 22°; night, 8°; mostly clear
26
+21
+10
26 May, sun
+21
+10
Feels like
+11
550 mmHg
28%
4
m/s
W
Climate normal
+16
+10
26 May, Sunday. day, 21°; night, 10°; mostly clear
27
+25
+10
27 May, mon
+25
+10
Feels like
+13
552 mmHg
33%
2.5
m/s
NW
Climate normal
+15
+8
27 May, Monday. day, 25°; night, 10°; partly cloudy
28
+26
+12
28 May, tue
+26
+12
Feels like
+15
552 mmHg
41%
2.2
m/s
W
Climate normal
+16
+9
28 May, Tuesday. day, 26°; night, 12°; mostly clear
29
+23
+12
29 May, wed
+23
+12
Feels like
+14
550 mmHg
43%
2.8
m/s
NW
Climate normal
+16
+9
29 May, Wednesday. day, 23°; night, 12°; mostly clear
30
+25
+13
30 May, thu
+25
+13
Feels like
+15
548 mmHg
41%
2.3
m/s
NW
Climate normal
+18
+11
30 May, Thursday. day, 25°; night, 13°; partly cloudy
31
+25
+12
31 May, fri
+25
+12
Feels like
+15
547 mmHg
38%
3.7
m/s
SW
Climate normal
+17
+10
31 May, Friday. day, 25°; night, 12°; partly cloudy
1 June
+22
+9
1 June, sat
+22
+9
Feels like
+12
546 mmHg
42%
3.5
m/s
SW
Climate normal
+19
+11
1 June, Saturday. day, 22°; night, 9°; light rain
2
+21
+8
2 June, sun
+21
+8
Feels like
+10
547 mmHg
61%
3.5
m/s
SW
Climate normal
+19
+12
2 June, Sunday. day, 21°; night, 8°; rain
3
+18
+7
3 June, mon
+18
+7
Feels like
+9
546 mmHg
67%
2.7
m/s
SW
Climate normal
+20
+13
3 June, Monday. day, 18°; night, 7°; rain
Average data for 10 years
Next, the average data for 10 years
4
+18
+12
4 June, tue
+18
+12
Feels like
+15
646 mmHg
41%
5.4
m/s
SE
4 June, Tuesday. day, 18°; night, 12°; partly cloudy
5
+19
+11
5 June, wed
+19
+11
Feels like
+15
644 mmHg
44%
6.5
m/s
SE
5 June, Wednesday. day, 19°; night, 11°; partly cloudy
6
+19
+11
6 June, thu
+19
+11
Feels like
+15
644 mmHg
41%
6.3
m/s
S
6 June, Thursday. day, 19°; night, 11°; rain
7
+18
+11
7 June, fri
+18
+11
Feels like
+14
644 mmHg
41%
5.1
m/s
E
7 June, Friday. day, 18°; night, 11°; partly cloudy
8
+20
+12
8 June, sat
+20
+12
Feels like
+16
644 mmHg
36%
7.1
m/s
W
8 June, Saturday. day, 20°; night, 12°; clear
Average for 30 days
15
sunny days
5
days with precipitation
10
cloudy days
15 sunny days; 5 days with precipitation; 10 cloudy days;
49
%
air humidity
4.4
m/s
Wind
W
4
mm of precipitation
(1% of annual average)
air humidity 49%; 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
SE
W
W
W
E
E
E
E
W
W
W
W
E
NW
NW
SW
S
SW
W
W
SE
W
NW
W
NW
NW
SW
SW
SW
SW
5
Average data for 10 years
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
June
2
3
Daytime temperature
Night-time temperature
