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August weather forecast in New Haven

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

	743 mmHg		72%
	4.3 m/s

27 July, Sunday. day, 27°; night, 18°; rain

28 July, mon

	743 mmHg		72%
	4.69 m/s

28 July, Monday. day, 27°; night, 18°; partly cloudy

29 July, tue

	743 mmHg		70%
	4.3 m/s

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

30 July, wed

	744 mmHg		71%
	3.6 m/s

30 July, Wednesday. day, 27°; night, 17°; clear

31 July, thu

	744 mmHg		70%
	3.9 m/s

31 July, Thursday. day, 27°; night, 18°; clear

1 August, fri

	744 mmHg		71%
	3.7 m/s

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

2 August, sat

	744 mmHg		70%
	4.1 m/s

2 August, Saturday. day, 27°; night, 18°; clear

3 August, sun

	743 mmHg		72%
	3.9 m/s

3 August, Sunday. day, 28°; night, 18°; rain

4 August, mon

	744 mmHg		72%
	4 m/s

4 August, Monday. day, 27°; night, 18°; partly cloudy

5 August, tue

	744 mmHg		73%
	4 m/s

5 August, Tuesday. day, 26°; night, 18°; partly cloudy

6 August, wed

	744 mmHg		71%
	4.1 m/s

6 August, Wednesday. day, 26°; night, 17°; overcast

7 August, thu

	744 mmHg		73%
	3.9 m/s

7 August, Thursday. day, 27°; night, 17°; clear

8 August, fri

	744 mmHg		73%
	4.3 m/s

8 August, Friday. day, 27°; night, 18°; rain

9 August, sat

	743 mmHg		71%
	4.4 m/s

9 August, Saturday. day, 27°; night, 17°; clear

10 August, sun

	742 mmHg		73%
	4.19 m/s

10 August, Sunday. day, 26°; night, 18°; rain

11 August, mon

	743 mmHg		73%
	4.19 m/s

11 August, Monday. day, 26°; night, 17°; rain

12 August, tue

	744 mmHg		73%
	3.9 m/s

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

13 August, wed

	744 mmHg		72%
	3.8 m/s

13 August, Wednesday. day, 26°; night, 17°; partly cloudy

14 August, thu

	744 mmHg		72%
	4 m/s

14 August, Thursday. day, 25°; night, 17°; overcast

15 August, fri

	744 mmHg		72%
	3.8 m/s

15 August, Friday. day, 26°; night, 17°; clear

16 August, sat

	744 mmHg		72%
	4.4 m/s

16 August, Saturday. day, 26°; night, 17°; rain

17 August, sun

	744 mmHg		73%
	4.4 m/s

17 August, Sunday. day, 26°; night, 17°; rain

18 August, mon

	744 mmHg		72%
	4.3 m/s

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

19 August, tue

	744 mmHg		73%
	4 m/s

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

20 August, wed

	744 mmHg		75%
	4.4 m/s

20 August, Wednesday. day, 25°; night, 16°; rain

21 August, thu

	744 mmHg		74%
	4.5 m/s

21 August, Thursday. day, 26°; night, 16°; clear

22 August, fri

	744 mmHg		73%
	4.3 m/s

22 August, Friday. day, 25°; night, 16°; clear

23 August, sat

	745 mmHg		73%
	4.1 m/s

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

24 August, sun

	745 mmHg		74%
	4.19 m/s

24 August, Sunday. day, 26°; night, 16°; clear

25 August, mon

	744 mmHg		76%
	4.4 m/s

25 August, Monday. day, 26°; night, 17°; rain

26 August, tue

	745 mmHg		75%
	3.9 m/s

26 August, Tuesday. day, 26°; night, 17°; overcast

27 August, wed

	744 mmHg		77%
	4.1 m/s

27 August, Wednesday. day, 26°; night, 17°; rain

28 August, thu

	744 mmHg		76%
	4.4 m/s

28 August, Thursday. day, 25°; night, 17°; partly cloudy

29 August, fri

	744 mmHg		76%
	4.4 m/s

29 August, Friday. day, 26°; night, 17°; rain

30 August, sat

	745 mmHg		74%
	4.3 m/s

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

31 August, sun

	745 mmHg		72%
	4.19 m/s

31 August, Sunday. day, 25°; night, 16°; clear

1 September, mon

	746 mmHg		73%
	4 m/s

1 September, Monday. day, 25°; night, 15°; clear

2 September, tue

	745 mmHg		73%
	4.1 m/s

2 September, Tuesday. day, 25°; night, 16°; rain

3 September, wed

	744 mmHg		71%
	4.19 m/s

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

4 September, thu

	745 mmHg		72%
	4.4 m/s

4 September, Thursday. day, 25°; night, 16°; clear

5 September, fri

	746 mmHg		72%
	4.4 m/s

5 September, Friday. day, 25°; night, 15°; clear

6 September, sat

	745 mmHg		73%
	4.19 m/s

6 September, Saturday. day, 25°; night, 15°; clear

Average data for 10 years

New Haven August

9

sunny days

11

days with precipitation

5

cloudy days

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

73

%

air humidity

2.8

m/s

WindS

81

mm of precipitation

(9% of annual average)

air humidity 73%; 81 millimeters of precipitation (9% of annual average); Wind southerly 2.8 Meters per second

Weather graphs for August

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

SW

SW

SW

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

SE

S

S

S

S

1

Average data for 10 years

2

3

4

5

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7

8

9

10

11

12

13

14

15

16

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18

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20

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31

Daytime temperature

Night-time temperature

Cities near you

Toronto
Detroit
Pittsburgh
Cleveland
Macedonia
Burlington
Buffalo
Milan
London

Cities with similar weather in August

Lisbon
Rio de Janeiro
Porto
Genoa
Funchal
Boston
Playa de las Americas
Montreal
San Remo

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

In August, the weather in New Haven is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, New Haven has 11 rainy, 9 sunny, 8 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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