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August weather forecast in Dutch Harbor

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		91%
	5.4 m/s		+13

27 July, Sunday. day, 10°; night, 8°; rain

28 July, mon

	734 mmHg		91%
	5.7 m/s		+13

28 July, Monday. day, 10°; night, 8°; partly cloudy

29 July, tue

	734 mmHg		91%
	5.4 m/s		+14

29 July, Tuesday. day, 10°; night, 8°; partly cloudy

30 July, wed

	735 mmHg		91%
	5.4 m/s		+14

30 July, Wednesday. day, 10°; night, 8°; overcast

31 July, thu

	734 mmHg		91%
	5.5 m/s		+13

31 July, Thursday. day, 11°; night, 8°; overcast

1 August, fri

	733 mmHg		91%
	5.6 m/s		+13

1 August, Friday. day, 11°; night, 8°; overcast

2 August, sat

	732 mmHg		91%
	6.3 m/s		+12

2 August, Saturday. day, 11°; night, 9°; rain

3 August, sun

	732 mmHg		93%
	6.1 m/s		+12

3 August, Sunday. day, 11°; night, 9°; rain

4 August, mon

	732 mmHg		92%
	5.8 m/s		+14

4 August, Monday. day, 10°; night, 9°; overcast

5 August, tue

	733 mmHg		91%
	5.6 m/s		+13

5 August, Tuesday. day, 10°; night, 8°; overcast

6 August, wed

	733 mmHg		91%
	5.9 m/s		+14

6 August, Wednesday. day, 10°; night, 8°; overcast

7 August, thu

	734 mmHg		91%
	5.7 m/s		+12

7 August, Thursday. day, 10°; night, 8°; overcast

8 August, fri

	733 mmHg		90%
	5.5 m/s		+13

8 August, Friday. day, 11°; night, 8°; overcast

9 August, sat

	732 mmHg		92%
	6.1 m/s		+13

9 August, Saturday. day, 10°; night, 8°; rain

10 August, sun

	731 mmHg		92%
	6.2 m/s		+13

10 August, Sunday. day, 10°; night, 9°; rain

11 August, mon

	731 mmHg		92%
	5.7 m/s		+12

11 August, Monday. day, 11°; night, 9°; overcast

12 August, tue

	732 mmHg		91%
	6.4 m/s		+13

12 August, Tuesday. day, 11°; night, 9°; overcast

13 August, wed

	733 mmHg		91%
	5.7 m/s		+13

13 August, Wednesday. day, 11°; night, 9°; overcast

14 August, thu

	734 mmHg		91%
	5.5 m/s		+12

14 August, Thursday. day, 11°; night, 9°; overcast

15 August, fri

	733 mmHg		91%
	5.7 m/s		+12

15 August, Friday. day, 11°; night, 9°; rain

16 August, sat

	733 mmHg		91%
	5.6 m/s		+12

16 August, Saturday. day, 11°; night, 9°; rain

17 August, sun

	733 mmHg		92%
	5.8 m/s		+12

17 August, Sunday. day, 11°; night, 9°; rain

18 August, mon

	733 mmHg		91%
	6 m/s		+12

18 August, Monday. day, 11°; night, 8°; overcast

19 August, tue

	733 mmHg		91%
	6.2 m/s		+12

19 August, Tuesday. day, 11°; night, 8°; partly cloudy

20 August, wed

	732 mmHg		91%
	6 m/s		+13

20 August, Wednesday. day, 11°; night, 8°; clear

21 August, thu

	733 mmHg		91%
	5.9 m/s		+12

21 August, Thursday. day, 11°; night, 9°; rain

22 August, fri

	732 mmHg		92%
	6.2 m/s		+13

22 August, Friday. day, 10°; night, 9°; rain

23 August, sat

	732 mmHg		91%
	6.5 m/s		+13

23 August, Saturday. day, 10°; night, 8°; overcast

24 August, sun

	732 mmHg		90%
	6.1 m/s		+14

24 August, Sunday. day, 10°; night, 8°; rain

25 August, mon

	732 mmHg		90%
	6.3 m/s		+12

25 August, Monday. day, 10°; night, 8°; rain

26 August, tue

	731 mmHg		91%
	7.1 m/s		+12

26 August, Tuesday. day, 10°; night, 9°; rain

27 August, wed

	733 mmHg		91%
	7 m/s		+13

27 August, Wednesday. day, 10°; night, 8°; rain

28 August, thu

	733 mmHg		91%
	7.4 m/s		+13

28 August, Thursday. day, 11°; night, 8°; rain

29 August, fri

	730 mmHg		90%
	7.1 m/s		+11

29 August, Friday. day, 10°; night, 9°; rain

30 August, sat

	730 mmHg		90%
	7.2 m/s		+11

30 August, Saturday. day, 10°; night, 8°; rain

31 August, sun

	730 mmHg		91%
	7.1 m/s		+12

31 August, Sunday. day, 10°; night, 8°; rain

1 September, mon

	731 mmHg		91%
	6.8 m/s		+12

1 September, Monday. day, 10°; night, 8°; overcast

2 September, tue

	731 mmHg		91%
	7 m/s		+11

2 September, Tuesday. day, 10°; night, 8°; rain

3 September, wed

	730 mmHg		90%
	7.1 m/s		+11

3 September, Wednesday. day, 10°; night, 8°; rain

4 September, thu

	729 mmHg		90%
	6.8 m/s		+12

4 September, Thursday. day, 10°; night, 8°; overcast

5 September, fri

	730 mmHg		90%
	6.8 m/s		+10

5 September, Friday. day, 10°; night, 8°; overcast

6 September, sat

	730 mmHg		90%
	7.1 m/s		+11

6 September, Saturday. day, 10°; night, 8°; overcast

Average data for 10 years

Dutch Harbor August

1

sunny day

17

days with precipitation

25

cloudy days

1 sunny day; 17 days with precipitation; 25 cloudy days;

91

%

air humidity

4.4

m/s

WindSW

94

mm of precipitation

(7% of annual average)

+13

°C

Water temperature

air humidity 91%; 94 millimeters of precipitation (7% of annual average); Wind south-westerly 4.4 Meters per second; Water temperature +13°

Weather graphs for August

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

S

S

SW

SW

SW

S

SW

SW

S

S

S

SW

S

SW

SW

S

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Adak Island
Akutan
Cold Bay
Alakanuk
Kotlik
Aniak
Sand Point
Mekoryuk
Kipnuk

Cities with similar weather in August

Cholpon-Ata
Sydney
Reykyavik
Dublin
Buenos Aires
Melbourne
Wellington
Auckland
Capetown

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

August in Dutch Harbor is the warmest month of the year. In August, the weather in Dutch Harbor is typically warm. Average daily high temperature in August is about 11 degrees above zero. On average, Dutch Harbor has 17 rainy, 12 cloudy, 1 sunny, and 1 partly cloudy day in August. The rains are usually heavy. August as well as April, May, June, and July is considered the most uncomfortable time to visit Dutch Harbor.

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