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August weather forecast in Decatur

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

	746 mmHg		75%
	3.1 m/s

27 July, Sunday. day, 31°; night, 24°; overcast

28 July, mon

	746 mmHg		76%
	3.4 m/s

28 July, Monday. day, 31°; night, 24°; partly cloudy

29 July, tue

	746 mmHg		77%
	3.4 m/s

29 July, Tuesday. day, 30°; night, 24°; rain

30 July, wed

	746 mmHg		76%
	3.2 m/s

30 July, Wednesday. day, 30°; night, 24°; rain

31 July, thu

	746 mmHg		77%
	3.5 m/s

31 July, Thursday. day, 31°; night, 24°; rain

1 August, fri

	746 mmHg		75%
	3.1 m/s

1 August, Friday. day, 31°; night, 24°; clear

2 August, sat

	746 mmHg		72%
	3.1 m/s

2 August, Saturday. day, 31°; night, 24°; clear

3 August, sun

	746 mmHg		72%
	2.9 m/s

3 August, Sunday. day, 31°; night, 24°; clear

4 August, mon

	746 mmHg		74%
	3.2 m/s

4 August, Monday. day, 31°; night, 24°; clear

5 August, tue

	746 mmHg		74%
	3.1 m/s

5 August, Tuesday. day, 31°; night, 24°; partly cloudy

6 August, wed

	746 mmHg		74%
	3.3 m/s

6 August, Wednesday. day, 31°; night, 24°; overcast

7 August, thu

	746 mmHg		74%
	3.4 m/s

7 August, Thursday. day, 31°; night, 24°; rain

8 August, fri

	746 mmHg		75%
	3.3 m/s

8 August, Friday. day, 30°; night, 24°; rain

9 August, sat

	746 mmHg		76%
	3.2 m/s

9 August, Saturday. day, 30°; night, 23°; rain

10 August, sun

	746 mmHg		76%
	3.2 m/s

10 August, Sunday. day, 30°; night, 24°; rain

11 August, mon

	746 mmHg		76%
	3.1 m/s

11 August, Monday. day, 30°; night, 23°; overcast

12 August, tue

	746 mmHg		74%
	3 m/s

12 August, Tuesday. day, 30°; night, 23°; rain

13 August, wed

	746 mmHg		74%
	3.5 m/s

13 August, Wednesday. day, 30°; night, 23°; rain

14 August, thu

	746 mmHg		73%
	3.4 m/s

14 August, Thursday. day, 31°; night, 23°; clear

15 August, fri

	746 mmHg		72%
	3.1 m/s

15 August, Friday. day, 31°; night, 23°; clear

16 August, sat

	747 mmHg		72%
	3.1 m/s

16 August, Saturday. day, 31°; night, 23°; partly cloudy

17 August, sun

	747 mmHg		74%
	3.1 m/s

17 August, Sunday. day, 30°; night, 23°; partly cloudy

18 August, mon

	746 mmHg		74%
	3.2 m/s

18 August, Monday. day, 30°; night, 23°; partly cloudy

19 August, tue

	746 mmHg		76%
	3.1 m/s

19 August, Tuesday. day, 31°; night, 23°; rain

20 August, wed

	746 mmHg		75%
	3.5 m/s

20 August, Wednesday. day, 30°; night, 23°; rain

21 August, thu

	747 mmHg		76%
	3.3 m/s

21 August, Thursday. day, 30°; night, 23°; rain

22 August, fri

	747 mmHg		75%
	3.1 m/s

22 August, Friday. day, 30°; night, 23°; clear

23 August, sat

	747 mmHg		72%
	3.1 m/s

23 August, Saturday. day, 31°; night, 23°; clear

24 August, sun

	746 mmHg		72%
	3.1 m/s

24 August, Sunday. day, 30°; night, 23°; clear

25 August, mon

	746 mmHg		74%
	3.3 m/s

25 August, Monday. day, 30°; night, 23°; clear

26 August, tue

	746 mmHg		74%
	3.2 m/s

26 August, Tuesday. day, 30°; night, 23°; clear

27 August, wed

	746 mmHg		72%
	3.1 m/s

27 August, Wednesday. day, 31°; night, 23°; partly cloudy

28 August, thu

	745 mmHg		74%
	3.3 m/s

28 August, Thursday. day, 31°; night, 23°; rain

29 August, fri

	745 mmHg		74%
	3.4 m/s

29 August, Friday. day, 30°; night, 23°; clear

30 August, sat

	745 mmHg		76%
	3.6 m/s

30 August, Saturday. day, 29°; night, 23°; rain

31 August, sun

	746 mmHg		75%
	3.7 m/s

31 August, Sunday. day, 29°; night, 23°; partly cloudy

1 September, mon

	746 mmHg		74%
	3.6 m/s

1 September, Monday. day, 29°; night, 22°; rain

2 September, tue

	746 mmHg		74%
	3.6 m/s

2 September, Tuesday. day, 29°; night, 22°; partly cloudy

3 September, wed

	746 mmHg		73%
	3.5 m/s

3 September, Wednesday. day, 29°; night, 22°; overcast

4 September, thu

	746 mmHg		71%
	3.2 m/s

4 September, Thursday. day, 30°; night, 22°; clear

5 September, fri

	746 mmHg		71%
	3.6 m/s

5 September, Friday. day, 29°; night, 22°; rain

6 September, sat

	746 mmHg		71%
	3.4 m/s

6 September, Saturday. day, 29°; night, 21°; clear

Average data for 10 years

Decatur August

12

sunny days

11

days with precipitation

5

cloudy days

12 sunny days; 11 days with precipitation; 5 cloudy days;

74

%

air humidity

2.09

m/s

WindS

81

mm of precipitation

(7% of annual average)

air humidity 74%; 81 millimeters of precipitation (7% of annual average); Wind southerly 2.09 Meters per second

Weather graphs for August

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

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SE

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S

S

S

S

S

S

S

S

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SE

S

S

S

S

S

S

S

S

S

SE

SE

SE

S

SE

SE

SE

SE

SE

1

Average data for 10 years

2

3

4

5

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9

10

11

12

13

14

15

16

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31

Daytime temperature

Night-time temperature

Cities near you

Atlanta
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Cities with similar weather in August

Aqaba
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Sousse
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Page
Tehran
Kuala Lumpur

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

In August, the weather in Decatur is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Decatur has 12 sunny, 11 rainy, 6 partly cloudy, and 2 cloudy days in August. The rains are usually heavy. August as well as January, February, March, and June is considered the most uncomfortable time to visit Decatur.

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