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August 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
+20
+14
28 July, sun
+20
+14
Feels like
+18
649 mmHg
51%
5.5
m/s
SE
28 July, Sunday. day, 20°; night, 14°; rain
29
+21
+14
29 July, mon
+21
+14
Feels like
+18
650 mmHg
54%
6
m/s
E
29 July, Monday. day, 21°; night, 14°; rain
30
+23
+16
30 July, tue
+23
+16
Feels like
+21
649 mmHg
44%
6
m/s
E
30 July, Tuesday. day, 23°; night, 16°; partly cloudy
31
+23
+16
31 July, wed
+23
+16
Feels like
+21
648 mmHg
40%
5.6
m/s
S
31 July, Wednesday. day, 23°; night, 16°; rain
1
+24
+17
1 August, thu
+24
+17
Feels like
+21
648 mmHg
43%
6.1
m/s
SE
1 August, Thursday. day, 24°; night, 17°; partly cloudy
2
+22
+15
2 August, fri
+22
+15
Feels like
+20
648 mmHg
50%
6.5
m/s
SE
2 August, Friday. day, 22°; night, 15°; rain
3
+24
+17
3 August, sat
+24
+17
Feels like
+21
647 mmHg
40%
5.4
m/s
S
3 August, Saturday. day, 24°; night, 17°; clear
4
+22
+15
4 August, sun
+22
+15
Feels like
+19
648 mmHg
41%
5.4
m/s
S
4 August, Sunday. day, 22°; night, 15°; partly cloudy
5
+22
+15
5 August, mon
+22
+15
Feels like
+19
648 mmHg
46%
5.5
m/s
S
5 August, Monday. day, 22°; night, 15°; overcast
6
+21
+14
6 August, tue
+21
+14
Feels like
+19
647 mmHg
46%
4.8
m/s
SE
6 August, Tuesday. day, 21°; night, 14°; rain
7
+21
+15
7 August, wed
+21
+15
Feels like
+18
647 mmHg
44%
4.5
m/s
E
7 August, Wednesday. day, 21°; night, 15°; rain
8
+22
+14
8 August, thu
+22
+14
Feels like
+19
648 mmHg
46%
4.8
m/s
SE
8 August, Thursday. day, 22°; night, 14°; clear
9
+21
+15
9 August, fri
+21
+15
Feels like
+19
649 mmHg
44%
5.4
m/s
S
9 August, Friday. day, 21°; night, 15°; rain
10
+23
+15
10 August, sat
+23
+15
Feels like
+20
649 mmHg
41%
5.3
m/s
SW
10 August, Saturday. day, 23°; night, 15°; partly cloudy
11
+23
+15
11 August, sun
+23
+15
Feels like
+19
648 mmHg
37%
5.5
m/s
S
11 August, Sunday. day, 23°; night, 15°; partly cloudy
12
+23
+15
12 August, mon
+23
+15
Feels like
+19
648 mmHg
36%
5.5
m/s
SE
12 August, Monday. day, 23°; night, 15°; clear
13
+21
+14
13 August, tue
+21
+14
Feels like
+18
647 mmHg
40%
5.6
m/s
E
13 August, Tuesday. day, 21°; night, 14°; rain
14
+23
+14
14 August, wed
+23
+14
Feels like
+19
647 mmHg
34%
6
m/s
SE
14 August, Wednesday. day, 23°; night, 14°; partly cloudy
15
+21
+13
15 August, thu
+21
+13
Feels like
+17
648 mmHg
40%
6.5
m/s
E
15 August, Thursday. day, 21°; night, 13°; partly cloudy
16
+21
+14
16 August, fri
+21
+14
Feels like
+18
649 mmHg
43%
6
m/s
S
16 August, Friday. day, 21°; night, 14°; partly cloudy
17
+22
+15
17 August, sat
+22
+15
Feels like
+19
647 mmHg
37%
5.9
m/s
SE
17 August, Saturday. day, 22°; night, 15°; partly cloudy
18
+21
+14
18 August, sun
+21
+14
Feels like
+18
646 mmHg
37%
5.6
m/s
SE
18 August, Sunday. day, 21°; night, 14°; clear
19
+23
+15
19 August, mon
+23
+15
Feels like
+20
646 mmHg
37%
5.6
m/s
SE
19 August, Monday. day, 23°; night, 15°; rain
20
+23
+15
20 August, tue
+23
+15
Feels like
+19
647 mmHg
34%
5.5
m/s
S
20 August, Tuesday. day, 23°; night, 15°; clear
21
+23
+16
21 August, wed
+23
+16
Feels like
+20
647 mmHg
41%
6
m/s
S
21 August, Wednesday. day, 23°; night, 16°; clear
22
+22
+15
22 August, thu
+22
+15
Feels like
+19
647 mmHg
41%
5.8
m/s
SE
22 August, Thursday. day, 22°; night, 15°; clear
23
+22
+15
23 August, fri
+22
+15
Feels like
+19
648 mmHg
43%
5.6
m/s
S
23 August, Friday. day, 22°; night, 15°; partly cloudy
24
+21
+15
24 August, sat
+21
+15
Feels like
+18
648 mmHg
43%
6.5
m/s
SE
24 August, Saturday. day, 21°; night, 15°; rain
25
+21
+16
25 August, sun
+21
+16
Feels like
+18
649 mmHg
43%
4.9
m/s
SE
25 August, Sunday. day, 21°; night, 16°; rain
26
+22
+15
26 August, mon
+22
+15
Feels like
+19
648 mmHg
40%
5.6
m/s
SE
26 August, Monday. day, 22°; night, 15°; clear
27
+22
+16
27 August, tue
+22
+16
Feels like
+18
648 mmHg
40%
5.5
m/s
SE
27 August, Tuesday. day, 22°; night, 16°; partly cloudy
28
+22
+16
28 August, wed
+22
+16
Feels like
+19
647 mmHg
37%
6.1
m/s
SE
28 August, Wednesday. day, 22°; night, 16°; rain
29
+22
+16
29 August, thu
+22
+16
Feels like
+18
647 mmHg
37%
6.3
m/s
SE
29 August, Thursday. day, 22°; night, 16°; clear
30
+21
+15
30 August, fri
+21
+15
Feels like
+18
647 mmHg
43%
5.3
m/s
S
30 August, Friday. day, 21°; night, 15°; clear
31
+22
+15
31 August, sat
+22
+15
Feels like
+19
647 mmHg
41%
5.6
m/s
S
31 August, Saturday. day, 22°; night, 15°; clear
Average data for 10 years
Boulder August
11
sunny days
9
days with precipitation
11
cloudy days
11 sunny days; 9 days with precipitation; 11 cloudy days;
40
%
air humidity
3.7
m/s
Wind
SE
62
mm of precipitation
(12% of annual average)
air humidity 40%; 62 millimeters of precipitation (12% of annual average); Wind south-easterly 3.7 Meters per second
Weather graphs for August
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SE
S
S
S
SE
E
SE
S
SW
S
SE
E
SE
E
S
SE
SE
SE
S
S
SE
S
SE
SE
SE
SE
SE
SE
S
S
1
Average data for 10 years
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
28
29
30
31
Daytime temperature
Night-time temperature
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