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August weather forecast in Knoxville

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

	737 mmHg		75%
	2.8 m/s

27 July, Sunday. day, 30°; night, 22°; overcast

28 July, mon

	737 mmHg		76%
	3.2 m/s

28 July, Monday. day, 30°; night, 22°; rain

29 July, tue

	737 mmHg		78%
	2.9 m/s

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

30 July, wed

	737 mmHg		77%
	2.9 m/s

30 July, Wednesday. day, 30°; night, 21°; rain

31 July, thu

	737 mmHg		78%
	3 m/s

31 July, Thursday. day, 29°; night, 21°; rain

1 August, fri

	737 mmHg		77%
	2.6 m/s

1 August, Friday. day, 30°; night, 21°; rain

2 August, sat

	737 mmHg		75%
	2.6 m/s

2 August, Saturday. day, 30°; night, 21°; rain

3 August, sun

	737 mmHg		74%
	2.6 m/s

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

4 August, mon

	737 mmHg		74%
	2.5 m/s

4 August, Monday. day, 30°; night, 21°; rain

5 August, tue

	737 mmHg		74%
	2.6 m/s

5 August, Tuesday. day, 30°; night, 21°; partly cloudy

6 August, wed

	737 mmHg		75%
	2.7 m/s

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

7 August, thu

	737 mmHg		75%
	2.8 m/s

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

8 August, fri

	737 mmHg		75%
	2.7 m/s

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

9 August, sat

	737 mmHg		75%
	2.6 m/s

9 August, Saturday. day, 30°; night, 21°; partly cloudy

10 August, sun

	736 mmHg		76%
	2.9 m/s

10 August, Sunday. day, 30°; night, 21°; rain

11 August, mon

	736 mmHg		76%
	2.7 m/s

11 August, Monday. day, 29°; night, 21°; rain

12 August, tue

	736 mmHg		75%
	2.7 m/s

12 August, Tuesday. day, 29°; night, 21°; partly cloudy

13 August, wed

	736 mmHg		73%
	2.8 m/s

13 August, Wednesday. day, 30°; night, 20°; partly cloudy

14 August, thu

	737 mmHg		73%
	2.8 m/s

14 August, Thursday. day, 30°; night, 20°; clear

15 August, fri

	737 mmHg		73%
	2.7 m/s

15 August, Friday. day, 30°; night, 20°; rain

16 August, sat

	738 mmHg		73%
	2.7 m/s

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

17 August, sun

	737 mmHg		74%
	2.8 m/s

17 August, Sunday. day, 30°; night, 21°; rain

18 August, mon

	737 mmHg		75%
	2.9 m/s

18 August, Monday. day, 30°; night, 21°; partly cloudy

19 August, tue

	736 mmHg		75%
	2.9 m/s

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

20 August, wed

	737 mmHg		75%
	3.1 m/s

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

21 August, thu

	738 mmHg		76%
	2.8 m/s

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

22 August, fri

	738 mmHg		73%
	2.7 m/s

22 August, Friday. day, 30°; night, 20°; clear

23 August, sat

	737 mmHg		71%
	2.6 m/s

23 August, Saturday. day, 30°; night, 20°; clear

24 August, sun

	737 mmHg		72%
	2.8 m/s

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

25 August, mon

	737 mmHg		73%
	2.5 m/s

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

26 August, tue

	737 mmHg		75%
	2.7 m/s

26 August, Tuesday. day, 30°; night, 20°; clear

27 August, wed

	737 mmHg		75%
	2.6 m/s

27 August, Wednesday. day, 30°; night, 20°; clear

28 August, thu

	736 mmHg		74%
	2.6 m/s

28 August, Thursday. day, 30°; night, 20°; clear

29 August, fri

	736 mmHg		74%
	2.8 m/s

29 August, Friday. day, 30°; night, 20°; clear

30 August, sat

	736 mmHg		73%
	3 m/s

30 August, Saturday. day, 30°; night, 21°; partly cloudy

31 August, sun

	737 mmHg		74%
	3 m/s

31 August, Sunday. day, 29°; night, 20°; overcast

1 September, mon

	737 mmHg		74%
	2.9 m/s

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

2 September, tue

	737 mmHg		73%
	2.7 m/s

2 September, Tuesday. day, 29°; night, 20°; overcast

3 September, wed

	737 mmHg		73%
	2.8 m/s

3 September, Wednesday. day, 29°; night, 19°; rain

4 September, thu

	737 mmHg		72%
	2.5 m/s

4 September, Thursday. day, 29°; night, 19°; clear

5 September, fri

	737 mmHg		71%
	2.8 m/s

5 September, Friday. day, 29°; night, 19°; clear

6 September, sat

	737 mmHg		71%
	2.7 m/s

6 September, Saturday. day, 29°; night, 18°; clear

Average data for 10 years

Knoxville August

11

sunny days

12

days with precipitation

5

cloudy days

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

74

%

air humidity

1.7

m/s

WindS

95

mm of precipitation

(8% of annual average)

air humidity 74%; 95 millimeters of precipitation (8% of annual average); Wind southerly 1.7 Meters per second

Weather graphs for August

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

S

S

SE

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

SE

SE

S

S

SE

SE

SE

SE

SE

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

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28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Charlotte
Atlanta
Columbia
Birmingham
Columbus
Nashville
Athens
Huntsville
Cincinnati

Cities with similar weather in August

Kemer
Rome
Athens
Madrid
Taraz
Gudauta
Washington
Beldibi
Osh

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

In August, the weather in Knoxville is typically hot. Average daily high temperature in August is about 30 degrees above zero. On average, Knoxville has 12 rainy, 11 sunny, 7 partly cloudy, and 1 cloudy day in August. The rains are usually heavy.

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