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Monthly weather forecast in Nantucket

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

18 August, sun

	758 mmHg		85%
	6.9 m/s		+21

18 August, Sunday. day, 22°; night, 22°; rain

19 August, mon

	759 mmHg		82%
	6.1 m/s		+22

19 August, Monday. day, 22°; night, 22°; clear

20 August, tue

	760 mmHg		80%
	6.5 m/s		+22

20 August, Tuesday. day, 22°; night, 21°; clear

21 August, wed

	759 mmHg		83%
	8.1 m/s		+22

21 August, Wednesday. day, 22°; night, 22°; clear

22 August, thu

	764 mmHg		66%
	6.5 m/s		+20

Climate normal

22 August, Thursday. day, 22°; night, 18°; mostly clear

23 August, fri

	767 mmHg		64%
	4.5 m/s		+19

Climate normal

23 August, Friday. day, 23°; night, 19°; clear

24 August, sat

	767 mmHg		74%
	4.6 m/s		+20

Climate normal

24 August, Saturday. day, 24°; night, 20°; mostly clear

25 August, sun

	766 mmHg		78%
	3.5 m/s		+19

Climate normal

25 August, Sunday. day, 23°; night, 20°; partly cloudy

26 August, mon

	764 mmHg		80%
	3.3 m/s		+20

Climate normal

26 August, Monday. day, 23°; night, 19°; rain

27 August, tue

	762 mmHg		83%
	3.2 m/s		+20

Climate normal

27 August, Tuesday. day, 22°; night, 19°; mostly clear

28 August, wed

	762 mmHg		81%
	4.5 m/s		+21

Climate normal

28 August, Wednesday. day, 22°; night, 19°; light rain

29 August, thu

	762 mmHg		76%
	3.7 m/s		+21

Climate normal

29 August, Thursday. day, 23°; night, 20°; mostly clear

30 August, fri

	762 mmHg		77%
	3.7 m/s		+23

Climate normal

30 August, Friday. day, 24°; night, 21°; clear

31 August, sat

	760 mmHg		79%
	6.7 m/s

Climate normal

31 August, Saturday. day, 24°; night, 21°; partly cloudy

1 September, sun

	759 mmHg		76%
	5.5 m/s

Climate normal

1 September, Sunday. day, 23°; night, 20°; partly cloudy

2 September, mon

	760 mmHg		71%
	6.6 m/s

Climate normal

2 September, Monday. day, 23°; night, 17°; partly cloudy

3 September, tue

	765 mmHg		90%
	4.1 m/s

Climate normal

3 September, Tuesday. day, 19°; night, 19°; mostly clear

4 September, wed

	761 mmHg		87%
	2.1 m/s

Climate normal

4 September, Wednesday. day, 20°; night, 19°; mostly clear

5 September, thu

	759 mmHg		84%
	3.4 m/s

Climate normal

5 September, Thursday. day, 20°; night, 20°; clear

6 September, fri

	762 mmHg		84%
	6.5 m/s

Climate normal

6 September, Friday. day, 20°; night, 18°; clear

7 September, sat

	763 mmHg		81%
	8.1 m/s

Climate normal

7 September, Saturday. day, 19°; night, 18°; clear

8 September, sun

	761 mmHg		80%
	5.7 m/s

Climate normal

8 September, Sunday. day, 20°; night, 20°; clear

9 September, mon

	763 mmHg		88%
	2.9 m/s

Climate normal

9 September, Monday. day, 20°; night, 19°; partly cloudy

10 September, tue

	763 mmHg		89%
	7.1 m/s

Climate normal

10 September, Tuesday. day, 21°; night, 21°; mostly clear

11 September, wed

	760 mmHg		89%
	6.8 m/s

Climate normal

11 September, Wednesday. day, 21°; night, 19°; light rain

12 September, thu

	762 mmHg		74%
	12.4 m/s

Climate normal

12 September, Thursday. day, 17°; night, 15°; clear

13 September, fri

	764 mmHg		75%
	8.2 m/s

Climate normal

13 September, Friday. day, 17°; night, 16°; clear

14 September, sat

	766 mmHg		73%
	4.8 m/s

Climate normal

14 September, Saturday. day, 17°; night, 16°; clear

15 September, sun

	766 mmHg		71%
	4.2 m/s

Climate normal

15 September, Sunday. day, 17°; night, 16°; clear

16 September, mon

	765 mmHg		78%
	8.2 m/s

Climate normal

16 September, Monday. day, 17°; night, 17°; light rain

17 September, tue

	761 mmHg		93%
	8.6 m/s

Climate normal

17 September, Tuesday. day, 18°; night, 18°; rain

18 September, wed

	757 mmHg		93%
	6.2 m/s

Climate normal

18 September, Wednesday. day, 19°; night, 18°; partly cloudy

19 September, thu

	754 mmHg		89%
	12.3 m/s

Climate normal

19 September, Thursday. day, 20°; night, 17°; partly cloudy

20 September, fri

	754 mmHg		64%
	11.9 m/s

Climate normal

20 September, Friday. day, 14°; night, 11°; mostly clear

Average data for 10 years

Next, the average data for 10 years

21 September, sat

	760 mmHg		81%
	8.8 m/s		+19

21 September, Saturday. day, 19°; night, 19°; clear

Average for 30 days

19

sunny days

4

days with precipitation

7

cloudy days

19 sunny days; 4 days with precipitation; 7 cloudy days;

80

%

air humidity

6

m/s

WindNE

3

mm of precipitation

(1% of annual average)

+20

°C

Water temperature

air humidity 80%; 3 millimeters of precipitation (1% of annual average); Wind north-easterly 6 Meters per second; Water temperature +20°

Forecast in graphs

TemperatureHumidity, %Wind, m/sPressure, mmHg

W

SW

SW

SW

S

E

NE

N

SW

SW

SW

N

E

S

S

NE

N

SW

E

S

S

NE

NE

NE

NE

NE

NE

E

S

W

22

Average data for 10 years

23

24

25

26

27

28

29

30

31

1

September

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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