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August weather forecast in Glen Allen

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

	755 mmHg		70%
	3.3 m/s

27 July, Sunday. day, 32°; night, 22°; clear

28 July, mon

	754 mmHg		70%
	3.4 m/s

28 July, Monday. day, 32°; night, 23°; rain

29 July, tue

	754 mmHg		73%
	3.4 m/s

29 July, Tuesday. day, 30°; night, 22°; rain

30 July, wed

	755 mmHg		70%
	3.4 m/s

30 July, Wednesday. day, 30°; night, 22°; rain

31 July, thu

	755 mmHg		71%
	3.2 m/s

31 July, Thursday. day, 30°; night, 22°; partly cloudy

1 August, fri

	755 mmHg		72%
	3.1 m/s

1 August, Friday. day, 31°; night, 21°; rain

2 August, sat

	755 mmHg		70%
	3.2 m/s

2 August, Saturday. day, 31°; night, 22°; clear

3 August, sun

	755 mmHg		70%
	3.3 m/s

3 August, Sunday. day, 30°; night, 22°; clear

4 August, mon

	755 mmHg		70%
	3.5 m/s

4 August, Monday. day, 31°; night, 22°; clear

5 August, tue

	755 mmHg		69%
	3.2 m/s

5 August, Tuesday. day, 31°; night, 22°; clear

6 August, wed

	755 mmHg		71%
	3.5 m/s

6 August, Wednesday. day, 30°; night, 21°; rain

7 August, thu

	755 mmHg		72%
	3.3 m/s

7 August, Thursday. day, 30°; night, 22°; rain

8 August, fri

	755 mmHg		71%
	3.2 m/s

8 August, Friday. day, 30°; night, 21°; overcast

9 August, sat

	755 mmHg		70%
	3.3 m/s

9 August, Saturday. day, 30°; night, 22°; partly cloudy

10 August, sun

	754 mmHg		71%
	3.4 m/s

10 August, Sunday. day, 31°; night, 22°; rain

11 August, mon

	754 mmHg		71%
	3.1 m/s

11 August, Monday. day, 31°; night, 22°; rain

12 August, tue

	754 mmHg		70%
	3.1 m/s

12 August, Tuesday. day, 31°; night, 22°; partly cloudy

13 August, wed

	754 mmHg		71%
	3.5 m/s

13 August, Wednesday. day, 30°; night, 22°; rain

14 August, thu

	755 mmHg		71%
	3.3 m/s

14 August, Thursday. day, 30°; night, 21°; partly cloudy

15 August, fri

	755 mmHg		73%
	3.1 m/s

15 August, Friday. day, 29°; night, 21°; rain

16 August, sat

	756 mmHg		71%
	3.1 m/s

16 August, Saturday. day, 31°; night, 21°; clear

17 August, sun

	756 mmHg		70%
	3.2 m/s

17 August, Sunday. day, 31°; night, 21°; rain

18 August, mon

	755 mmHg		72%
	3.4 m/s

18 August, Monday. day, 30°; night, 22°; rain

19 August, tue

	755 mmHg		72%
	3.1 m/s

19 August, Tuesday. day, 30°; night, 21°; rain

20 August, wed

	756 mmHg		73%
	3 m/s

20 August, Wednesday. day, 29°; night, 21°; partly cloudy

21 August, thu

	756 mmHg		72%
	3.3 m/s

21 August, Thursday. day, 30°; night, 21°; rain

22 August, fri

	756 mmHg		71%
	3.2 m/s

22 August, Friday. day, 30°; night, 21°; clear

23 August, sat

	756 mmHg		69%
	3.1 m/s

23 August, Saturday. day, 29°; night, 20°; clear

24 August, sun

	756 mmHg		68%
	3.2 m/s

24 August, Sunday. day, 30°; night, 20°; clear

25 August, mon

	756 mmHg		69%
	3.2 m/s

25 August, Monday. day, 30°; night, 20°; clear

26 August, tue

	756 mmHg		71%
	3.1 m/s

26 August, Tuesday. day, 30°; night, 20°; partly cloudy

27 August, wed

	755 mmHg		74%
	3.6 m/s

27 August, Wednesday. day, 29°; night, 21°; overcast

28 August, thu

	755 mmHg		75%
	3.5 m/s

28 August, Thursday. day, 30°; night, 21°; rain

29 August, fri

	755 mmHg		74%
	3.4 m/s

29 August, Friday. day, 30°; night, 21°; clear

30 August, sat

	755 mmHg		71%
	3.4 m/s

30 August, Saturday. day, 30°; night, 21°; overcast

31 August, sun

	756 mmHg		72%
	3.6 m/s

31 August, Sunday. day, 29°; night, 21°; overcast

1 September, mon

	756 mmHg		72%
	3.7 m/s

1 September, Monday. day, 29°; night, 20°; rain

2 September, tue

	756 mmHg		71%
	3.6 m/s

2 September, Tuesday. day, 29°; night, 19°; partly cloudy

3 September, wed

	755 mmHg		70%
	3.3 m/s

3 September, Wednesday. day, 29°; night, 20°; partly cloudy

4 September, thu

	755 mmHg		71%
	3.4 m/s

4 September, Thursday. day, 29°; night, 20°; rain

5 September, fri

	756 mmHg		69%
	3.9 m/s

5 September, Friday. day, 28°; night, 20°; rain

6 September, sat

	756 mmHg		72%
	4 m/s

6 September, Saturday. day, 28°; night, 19°; partly cloudy

Average data for 10 years

Glen Allen August

10

sunny days

12

days with precipitation

6

cloudy days

10 sunny days; 12 days with precipitation; 6 cloudy days;

71

%

air humidity

2.2

m/s

WindS

104

mm of precipitation

(10% of annual average)

air humidity 71%; 104 millimeters of precipitation (10% of annual average); Wind southerly 2.2 Meters per second

Weather graphs for August

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

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S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SE

S

SE

S

SE

1

Average data for 10 years

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3

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31

Daytime temperature

Night-time temperature

Cities near you

Washington
Philadelphia
Pittsburgh
Roanoke
Atlantic City
Richmond
Raleigh
Rio Grande
York

Cities with similar weather in August

Rome
Budva
Madrid
Venice
Dushanbe
Malaga
Valencia
Naples
Gudauta

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in Glen Allen is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Glen Allen has 12 rainy, 10 sunny, 5 partly cloudy, and 4 cloudy days in August. The rains are usually heavy. August as well as January, February, July, and December is considered the most uncomfortable time to visit Glen Allen.

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