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August weather forecast in Johnstown

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

	718 mmHg		68%
	5 m/s

27 July, Sunday. day, 24°; night, 20°; rain

28 July, mon

	718 mmHg		68%
	5.3 m/s

28 July, Monday. day, 24°; night, 19°; clear

29 July, tue

	720 mmHg		62%
	4.1 m/s

29 July, Tuesday. day, 25°; night, 17°; clear

30 July, wed

	720 mmHg		63%
	4.1 m/s

30 July, Wednesday. day, 25°; night, 19°; clear

31 July, thu

	719 mmHg		68%
	4.6 m/s

31 July, Thursday. day, 25°; night, 19°; partly cloudy

1 August, fri

	719 mmHg		64%
	4.8 m/s

1 August, Friday. day, 25°; night, 19°; clear

2 August, sat

	718 mmHg		69%
	4.8 m/s

2 August, Saturday. day, 24°; night, 19°; partly cloudy

3 August, sun

	719 mmHg		64%
	5.1 m/s

3 August, Sunday. day, 25°; night, 19°; clear

4 August, mon

	720 mmHg		66%
	6 m/s

4 August, Monday. day, 24°; night, 19°; clear

5 August, tue

	719 mmHg		69%
	4.8 m/s

5 August, Tuesday. day, 23°; night, 18°; clear

6 August, wed

	719 mmHg		68%
	5 m/s

6 August, Wednesday. day, 24°; night, 18°; partly cloudy

7 August, thu

	719 mmHg		63%
	4.5 m/s

7 August, Thursday. day, 24°; night, 18°; clear

8 August, fri

	719 mmHg		62%
	4.8 m/s

8 August, Friday. day, 24°; night, 18°; clear

9 August, sat

	719 mmHg		63%
	5.3 m/s

9 August, Saturday. day, 26°; night, 19°; clear

10 August, sun

	718 mmHg		69%
	5 m/s

10 August, Sunday. day, 24°; night, 19°; clear

11 August, mon

	718 mmHg		75%
	4.5 m/s

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

12 August, tue

	719 mmHg		74%
	4.8 m/s

12 August, Tuesday. day, 22°; night, 17°; clear

13 August, wed

	719 mmHg		66%
	4.3 m/s

13 August, Wednesday. day, 23°; night, 18°; clear

14 August, thu

	719 mmHg		69%
	4 m/s

14 August, Thursday. day, 23°; night, 18°; rain

15 August, fri

	721 mmHg		60%
	4.5 m/s

15 August, Friday. day, 24°; night, 19°; clear

16 August, sat

	721 mmHg		57%
	4.6 m/s

16 August, Saturday. day, 25°; night, 19°; partly cloudy

17 August, sun

	720 mmHg		68%
	4.9 m/s

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

18 August, mon

	719 mmHg		68%
	4.6 m/s

18 August, Monday. day, 25°; night, 18°; rain

19 August, tue

	720 mmHg		66%
	4 m/s

19 August, Tuesday. day, 25°; night, 19°; clear

20 August, wed

	720 mmHg		66%
	4.5 m/s

20 August, Wednesday. day, 24°; night, 19°; rain

21 August, thu

	719 mmHg		70%
	4.9 m/s

21 August, Thursday. day, 23°; night, 18°; partly cloudy

22 August, fri

	721 mmHg		64%
	4.9 m/s

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

23 August, sat

	722 mmHg		63%
	4.5 m/s

23 August, Saturday. day, 22°; night, 17°; clear

24 August, sun

	722 mmHg		63%
	4 m/s

24 August, Sunday. day, 23°; night, 17°; clear

25 August, mon

	722 mmHg		62%
	5 m/s

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

26 August, tue

	721 mmHg		70%
	5 m/s

26 August, Tuesday. day, 23°; night, 18°; clear

27 August, wed

	721 mmHg		69%
	5.4 m/s

27 August, Wednesday. day, 22°; night, 17°; partly cloudy

28 August, thu

	721 mmHg		64%
	5 m/s

28 August, Thursday. day, 23°; night, 18°; clear

29 August, fri

	721 mmHg		61%
	4.6 m/s

29 August, Friday. day, 24°; night, 18°; partly cloudy

30 August, sat

	721 mmHg		62%
	4 m/s

30 August, Saturday. day, 24°; night, 18°; rain

31 August, sun

	721 mmHg		60%
	4.9 m/s

31 August, Sunday. day, 24°; night, 18°; rain

1 September, mon

	720 mmHg		68%
	4.9 m/s

1 September, Monday. day, 24°; night, 19°; clear

2 September, tue

	720 mmHg		67%
	4.6 m/s

2 September, Tuesday. day, 23°; night, 18°; partly cloudy

3 September, wed

	720 mmHg		63%
	4.6 m/s

3 September, Wednesday. day, 24°; night, 18°; clear

4 September, thu

	720 mmHg		68%
	5.1 m/s

4 September, Thursday. day, 22°; night, 18°; partly cloudy

5 September, fri

	721 mmHg		63%
	5.3 m/s

5 September, Friday. day, 22°; night, 17°; rain

6 September, sat

	720 mmHg		62%
	5.1 m/s

6 September, Saturday. day, 23°; night, 16°; clear

Average data for 10 years

Johnstown August

17

sunny days

6

days with precipitation

8

cloudy days

17 sunny days; 6 days with precipitation; 8 cloudy days;

66

%

air humidity

3.2

m/s

WindW

49

mm of precipitation

(6% of annual average)

air humidity 66%; 49 millimeters of precipitation (6% of annual average); Wind westerly 3.2 Meters per second

Weather graphs for August

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

W

W

W

W

SW

NW

NW

W

SW

SW

W

W

S

W

NW

W

SW

W

W

S

W

N

SE

SW

NW

NE

E

SE

NW

W

W

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

Washington
Toronto
Philadelphia
Buffalo
Baltimore
Macedonia
Pittsburgh
Cleveland
London

Cities with similar weather in August

Lisbon
Porto
Genoa
Playa de las Americas
Montreal
Bordeaux
Adeje
Talas
Colorado Springs

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

August in Johnstown is the sunniest month of the year. In August, the weather in Johnstown is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Johnstown has 17 sunny, 8 partly cloudy, and 6 rainy days in August. The rains are usually moderate. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Johnstown.

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