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August weather forecast in Pittsburgh

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

	734 mmHg		75%
	3.5 m/s

27 July, Sunday. day, 28°; night, 19°; rain

28 July, mon

	734 mmHg		77%
	3.6 m/s

28 July, Monday. day, 27°; night, 19°; rain

29 July, tue

	734 mmHg		75%
	3.5 m/s

29 July, Tuesday. day, 27°; night, 18°; rain

30 July, wed

	735 mmHg		75%
	3.1 m/s

30 July, Wednesday. day, 27°; night, 18°; partly cloudy

31 July, thu

	735 mmHg		74%
	3.1 m/s

31 July, Thursday. day, 28°; night, 18°; rain

1 August, fri

	735 mmHg		74%
	3.1 m/s

1 August, Friday. day, 28°; night, 18°; clear

2 August, sat

	735 mmHg		73%
	3.1 m/s

2 August, Saturday. day, 28°; night, 19°; clear

3 August, sun

	735 mmHg		76%
	3.1 m/s

3 August, Sunday. day, 28°; night, 18°; partly cloudy

4 August, mon

	735 mmHg		75%
	3.3 m/s

4 August, Monday. day, 28°; night, 19°; rain

5 August, tue

	735 mmHg		75%
	3.4 m/s

5 August, Tuesday. day, 27°; night, 18°; rain

6 August, wed

	735 mmHg		74%
	3.3 m/s

6 August, Wednesday. day, 27°; night, 18°; overcast

7 August, thu

	735 mmHg		74%
	3.2 m/s

7 August, Thursday. day, 27°; night, 18°; rain

8 August, fri

	735 mmHg		73%
	3.5 m/s

8 August, Friday. day, 27°; night, 18°; partly cloudy

9 August, sat

	735 mmHg		73%
	3.4 m/s

9 August, Saturday. day, 28°; night, 18°; clear

10 August, sun

	734 mmHg		75%
	3.5 m/s

10 August, Sunday. day, 27°; night, 19°; rain

11 August, mon

	734 mmHg		74%
	3.3 m/s

11 August, Monday. day, 27°; night, 18°; rain

12 August, tue

	735 mmHg		74%
	3.3 m/s

12 August, Tuesday. day, 27°; night, 18°; partly cloudy

13 August, wed

	735 mmHg		74%
	3.3 m/s

13 August, Wednesday. day, 27°; night, 18°; rain

14 August, thu

	735 mmHg		75%
	3.2 m/s

14 August, Thursday. day, 26°; night, 18°; partly cloudy

15 August, fri

	735 mmHg		76%
	3.1 m/s

15 August, Friday. day, 27°; night, 17°; partly cloudy

16 August, sat

	736 mmHg		75%
	3.3 m/s

16 August, Saturday. day, 27°; night, 18°; rain

17 August, sun

	736 mmHg		75%
	3.5 m/s

17 August, Sunday. day, 27°; night, 18°; rain

18 August, mon

	735 mmHg		74%
	3.4 m/s

18 August, Monday. day, 27°; night, 18°; rain

19 August, tue

	735 mmHg		75%
	3.2 m/s

19 August, Tuesday. day, 26°; night, 17°; rain

20 August, wed

	735 mmHg		76%
	3.1 m/s

20 August, Wednesday. day, 27°; night, 17°; clear

21 August, thu

	735 mmHg		75%
	3.4 m/s

21 August, Thursday. day, 27°; night, 17°; rain

22 August, fri

	736 mmHg		75%
	3.3 m/s

22 August, Friday. day, 26°; night, 17°; partly cloudy

23 August, sat

	736 mmHg		75%
	3.1 m/s

23 August, Saturday. day, 26°; night, 17°; clear

24 August, sun

	736 mmHg		74%
	3.2 m/s

24 August, Sunday. day, 26°; night, 17°; clear

25 August, mon

	736 mmHg		72%
	3.4 m/s

25 August, Monday. day, 27°; night, 17°; partly cloudy

26 August, tue

	736 mmHg		74%
	3.1 m/s

26 August, Tuesday. day, 27°; night, 17°; partly cloudy

27 August, wed

	735 mmHg		77%
	3.2 m/s

27 August, Wednesday. day, 27°; night, 18°; rain

28 August, thu

	735 mmHg		78%
	3.4 m/s

28 August, Thursday. day, 27°; night, 18°; rain

29 August, fri

	735 mmHg		77%
	3.3 m/s

29 August, Friday. day, 27°; night, 18°; clear

30 August, sat

	736 mmHg		75%
	3.2 m/s

30 August, Saturday. day, 26°; night, 17°; clear

31 August, sun

	736 mmHg		74%
	3.4 m/s

31 August, Sunday. day, 26°; night, 17°; partly cloudy

1 September, mon

	736 mmHg		75%
	3.3 m/s

1 September, Monday. day, 26°; night, 17°; partly cloudy

2 September, tue

	736 mmHg		75%
	3.4 m/s

2 September, Tuesday. day, 26°; night, 16°; clear

3 September, wed

	736 mmHg		74%
	3.2 m/s

3 September, Wednesday. day, 26°; night, 16°; clear

4 September, thu

	736 mmHg		74%
	3.2 m/s

4 September, Thursday. day, 26°; night, 16°; clear

5 September, fri

	737 mmHg		73%
	3.4 m/s

5 September, Friday. day, 26°; night, 16°; clear

6 September, sat

	736 mmHg		72%
	3.6 m/s

6 September, Saturday. day, 26°; night, 16°; clear

Average data for 10 years

Pittsburgh August

8

sunny days

13

days with precipitation

5

cloudy days

8 sunny days; 13 days with precipitation; 5 cloudy days;

75

%

air humidity

2.2

m/s

WindS

98

mm of precipitation

(8% of annual average)

air humidity 75%; 98 millimeters of precipitation (8% of annual average); Wind southerly 2.2 Meters per second

Weather graphs for August

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

S

SW

S

SW

SW

S

S

S

S

SW

SW

S

S

S

S

S

S

S

S

S

SW

SW

SW

S

S

S

S

S

S

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

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25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Washington
Toronto
Detroit
Cleveland
Macedonia
Burlington
Roanoke
Buffalo
Richmond

Cities with similar weather in August

Kemer
Podgorica
Verona
Chicago
Victoria
Marbella
Tsandrypsh
Cannes
Agios Nikolaos

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

In August, the weather in Pittsburgh is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Pittsburgh has 13 rainy, 9 partly cloudy, 8 sunny, and 1 cloudy day in August. The rains are usually heavy.

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