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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

	748 mmHg		70%
	4.19 m/s		+24

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

28 July, mon

	748 mmHg		73%
	3.9 m/s		+24

28 July, Monday. day, 28°; night, 20°; overcast

29 July, tue

	748 mmHg		72%
	3.9 m/s		+24

29 July, Tuesday. day, 28°; night, 20°; rain

30 July, wed

	748 mmHg		68%
	3.8 m/s		+25

30 July, Wednesday. day, 28°; night, 19°; partly cloudy

31 July, thu

	749 mmHg		69%
	3.7 m/s		+24

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

1 August, fri

	749 mmHg		70%
	3.6 m/s		+24

1 August, Friday. day, 28°; night, 19°; rain

2 August, sat

	749 mmHg		69%
	3.9 m/s		+24

2 August, Saturday. day, 29°; night, 20°; rain

3 August, sun

	749 mmHg		69%
	3.8 m/s		+25

3 August, Sunday. day, 29°; night, 20°; partly cloudy

4 August, mon

	749 mmHg		73%
	4.1 m/s		+25

4 August, Monday. day, 28°; night, 20°; rain

5 August, tue

	749 mmHg		70%
	3.9 m/s		+24

5 August, Tuesday. day, 28°; night, 20°; rain

6 August, wed

	749 mmHg		68%
	4 m/s		+24

6 August, Wednesday. day, 27°; night, 19°; partly cloudy

7 August, thu

	749 mmHg		69%
	4.1 m/s		+24

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

8 August, fri

	749 mmHg		70%
	3.9 m/s		+24

8 August, Friday. day, 27°; night, 19°; rain

9 August, sat

	749 mmHg		68%
	4.19 m/s		+25

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

10 August, sun

	748 mmHg		70%
	4.1 m/s		+25

10 August, Sunday. day, 28°; night, 20°; rain

11 August, mon

	748 mmHg		71%
	3.8 m/s		+24

11 August, Monday. day, 28°; night, 19°; partly cloudy

12 August, tue

	748 mmHg		72%
	3.8 m/s		+24

12 August, Tuesday. day, 27°; night, 19°; rain

13 August, wed

	749 mmHg		73%
	4 m/s		+24

13 August, Wednesday. day, 27°; night, 19°; rain

14 August, thu

	749 mmHg		71%
	3.8 m/s		+24

14 August, Thursday. day, 27°; night, 18°; partly cloudy

15 August, fri

	749 mmHg		74%
	3.8 m/s		+25

15 August, Friday. day, 26°; night, 19°; rain

16 August, sat

	750 mmHg		74%
	3.5 m/s		+25

16 August, Saturday. day, 27°; night, 18°; partly cloudy

17 August, sun

	749 mmHg		72%
	3.8 m/s		+25

17 August, Sunday. day, 27°; night, 19°; partly cloudy

18 August, mon

	748 mmHg		71%
	4 m/s		+25

18 August, Monday. day, 27°; night, 19°; rain

19 August, tue

	749 mmHg		69%
	3.8 m/s		+25

19 August, Tuesday. day, 27°; night, 18°; clear

20 August, wed

	750 mmHg		69%
	3.8 m/s		+25

20 August, Wednesday. day, 26°; night, 18°; clear

21 August, thu

	750 mmHg		73%
	4 m/s		+24

21 August, Thursday. day, 26°; night, 18°; rain

22 August, fri

	749 mmHg		72%
	4.19 m/s		+24

22 August, Friday. day, 26°; night, 18°; partly cloudy

23 August, sat

	749 mmHg		70%
	3.9 m/s		+24

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

24 August, sun

	750 mmHg		69%
	3.9 m/s		+24

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

25 August, mon

	750 mmHg		71%
	3.8 m/s		+24

25 August, Monday. day, 27°; night, 17°; clear

26 August, tue

	750 mmHg		69%
	3.7 m/s		+24

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

27 August, wed

	750 mmHg		71%
	3.7 m/s		+24

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

28 August, thu

	749 mmHg		73%
	3.9 m/s		+24

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

29 August, fri

	749 mmHg		72%
	4 m/s		+24

29 August, Friday. day, 26°; night, 18°; clear

30 August, sat

	749 mmHg		70%
	3.8 m/s		+24

30 August, Saturday. day, 26°; night, 18°; clear

31 August, sun

	750 mmHg		68%
	4.1 m/s		+24

31 August, Sunday. day, 26°; night, 18°; partly cloudy

1 September, mon

	750 mmHg		68%
	3.9 m/s		+24

1 September, Monday. day, 25°; night, 17°; rain

2 September, tue

	750 mmHg		69%
	4.1 m/s		+24

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

3 September, wed

	750 mmHg		72%
	3.8 m/s		+24

3 September, Wednesday. day, 26°; night, 17°; partly cloudy

4 September, thu

	749 mmHg		71%
	3.8 m/s		+24

4 September, Thursday. day, 26°; night, 17°; clear

5 September, fri

	751 mmHg		68%
	4.1 m/s		+23

5 September, Friday. day, 25°; night, 17°; clear

6 September, sat

	751 mmHg		72%
	4.1 m/s		+23

6 September, Saturday. day, 25°; night, 16°; partly cloudy

Average data for 10 years

New Haven August

10

sunny days

11

days with precipitation

6

cloudy days

10 sunny days; 11 days with precipitation; 6 cloudy days;

71

%

air humidity

2.6

m/s

WindSW

100

mm of precipitation

(9% of annual average)

+24

°C

Water temperature

air humidity 71%; 100 millimeters of precipitation (9% of annual average); Wind south-westerly 2.6 Meters per second; Water temperature +24°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

S

SW

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

New York
Boston
Philadelphia
Islandia
Colchester
Jamaica
Brooklyn
Brookhaven
Lake George

Cities with similar weather in August

Podgorica
Chicago
Victoria
Marseilles
Casablanca
Tsandrypsh
Cannes
Agios Nikolaos
Bali

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 27 degrees above zero. On average, New Haven has 11 rainy, 10 sunny, 9 partly cloudy, and 1 cloudy day in August. The rains are usually heavy.

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