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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

27 July, sun

	648 mmHg		46%
	5 m/s

27 July, Sunday. day, 22°; night, 15°; rain

28 July, mon

	649 mmHg		51%
	5.5 m/s

28 July, Monday. day, 20°; night, 14°; rain

29 July, tue

	650 mmHg		54%
	6 m/s

29 July, Tuesday. day, 21°; night, 14°; rain

30 July, wed

	649 mmHg		44%
	6 m/s

30 July, Wednesday. day, 23°; night, 16°; partly cloudy

31 July, thu

	648 mmHg		40%
	5.6 m/s

31 July, Thursday. day, 23°; night, 16°; rain

1 August, fri

	648 mmHg		43%
	6.1 m/s

1 August, Friday. day, 24°; night, 17°; partly cloudy

2 August, sat

	648 mmHg		50%
	6.5 m/s

2 August, Saturday. day, 22°; night, 15°; rain

3 August, sun

	647 mmHg		40%
	5.4 m/s

3 August, Sunday. day, 24°; night, 17°; clear

4 August, mon

	648 mmHg		41%
	5.4 m/s

4 August, Monday. day, 22°; night, 15°; partly cloudy

5 August, tue

	648 mmHg		46%
	5.5 m/s

5 August, Tuesday. day, 22°; night, 15°; overcast

6 August, wed

	647 mmHg		46%
	4.8 m/s

6 August, Wednesday. day, 21°; night, 14°; rain

7 August, thu

	647 mmHg		44%
	4.5 m/s

7 August, Thursday. day, 21°; night, 15°; rain

8 August, fri

	648 mmHg		46%
	4.8 m/s

8 August, Friday. day, 22°; night, 14°; clear

9 August, sat

	649 mmHg		44%
	5.4 m/s

9 August, Saturday. day, 21°; night, 15°; rain

10 August, sun

	649 mmHg		41%
	5.3 m/s

10 August, Sunday. day, 23°; night, 15°; partly cloudy

11 August, mon

	648 mmHg		37%
	5.5 m/s

11 August, Monday. day, 23°; night, 15°; partly cloudy

12 August, tue

	648 mmHg		36%
	5.5 m/s

12 August, Tuesday. day, 23°; night, 15°; clear

13 August, wed

	647 mmHg		40%
	5.6 m/s

13 August, Wednesday. day, 21°; night, 14°; rain

14 August, thu

	647 mmHg		34%
	6 m/s

14 August, Thursday. day, 23°; night, 14°; partly cloudy

15 August, fri

	648 mmHg		40%
	6.5 m/s

15 August, Friday. day, 21°; night, 13°; partly cloudy

16 August, sat

	649 mmHg		43%
	6 m/s

16 August, Saturday. day, 21°; night, 14°; partly cloudy

17 August, sun

	647 mmHg		37%
	5.9 m/s

17 August, Sunday. day, 22°; night, 15°; partly cloudy

18 August, mon

	646 mmHg		37%
	5.6 m/s

18 August, Monday. day, 21°; night, 14°; clear

19 August, tue

	646 mmHg		37%
	5.6 m/s

19 August, Tuesday. day, 23°; night, 15°; rain

20 August, wed

	647 mmHg		34%
	5.5 m/s

20 August, Wednesday. day, 23°; night, 15°; clear

21 August, thu

	647 mmHg		41%
	6 m/s

21 August, Thursday. day, 23°; night, 16°; clear

22 August, fri

	647 mmHg		41%
	5.8 m/s

22 August, Friday. day, 22°; night, 15°; clear

23 August, sat

	648 mmHg		43%
	5.6 m/s

23 August, Saturday. day, 22°; night, 15°; partly cloudy

24 August, sun

	648 mmHg		43%
	6.5 m/s

24 August, Sunday. day, 21°; night, 15°; rain

25 August, mon

	649 mmHg		43%
	4.9 m/s

25 August, Monday. day, 21°; night, 16°; rain

26 August, tue

	648 mmHg		40%
	5.6 m/s

26 August, Tuesday. day, 22°; night, 15°; clear

27 August, wed

	648 mmHg		40%
	5.5 m/s

27 August, Wednesday. day, 22°; night, 16°; partly cloudy

28 August, thu

	647 mmHg		37%
	6.1 m/s

28 August, Thursday. day, 22°; night, 16°; rain

29 August, fri

	647 mmHg		37%
	6.3 m/s

29 August, Friday. day, 22°; night, 16°; clear

30 August, sat

	647 mmHg		43%
	5.3 m/s

30 August, Saturday. day, 21°; night, 15°; clear

31 August, sun

	647 mmHg		41%
	5.6 m/s

31 August, Sunday. day, 22°; night, 15°; clear

1 September, mon

	648 mmHg		38%
	5.5 m/s

1 September, Monday. day, 22°; night, 15°; partly cloudy

2 September, tue

	648 mmHg		40%
	5.8 m/s

2 September, Tuesday. day, 21°; night, 14°; partly cloudy

3 September, wed

	648 mmHg		37%
	5.3 m/s

3 September, Wednesday. day, 21°; night, 13°; partly cloudy

4 September, thu

	647 mmHg		38%
	5.5 m/s

4 September, Thursday. day, 20°; night, 14°; clear

5 September, fri

	648 mmHg		43%
	5.5 m/s

5 September, Friday. day, 19°; night, 13°; clear

6 September, sat

	648 mmHg		40%
	5 m/s

6 September, Saturday. day, 20°; night, 13°; partly cloudy

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

WindSE

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

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, 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

Cities near you

Denver
Colorado Springs
Breckenridge
Lakewood
Aspen
Fort Collins
Pueblo
Trinidad
Lamar

Cities with similar weather in August

Brussels
Geneva
Gyumri
Lima
Bern
Nairobi
Sao Paulo
Quebec
San Jose

The weather forecast for August 2024 is based on historical data from the past 10 years.

In August, the weather in Boulder is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Boulder has 11 sunny, 10 partly cloudy, 9 rainy, and 1 cloudy day in August. The rains are usually moderate.

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