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August weather forecast in Coos Bay

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

	763 mmHg		81%
	6.5 m/s		+15

27 July, Sunday. day, 19°; night, 13°; clear

28 July, mon

	763 mmHg		82%
	6.3 m/s		+15

28 July, Monday. day, 19°; night, 13°; clear

29 July, tue

	763 mmHg		81%
	6.4 m/s		+15

29 July, Tuesday. day, 19°; night, 13°; partly cloudy

30 July, wed

	763 mmHg		81%
	6.3 m/s		+15

30 July, Wednesday. day, 19°; night, 13°; partly cloudy

31 July, thu

	763 mmHg		80%
	6.4 m/s		+15

31 July, Thursday. day, 19°; night, 13°; partly cloudy

1 August, fri

	763 mmHg		81%
	6.2 m/s		+15

1 August, Friday. day, 19°; night, 13°; clear

2 August, sat

	764 mmHg		81%
	6 m/s		+15

2 August, Saturday. day, 19°; night, 13°; partly cloudy

3 August, sun

	763 mmHg		82%
	6.2 m/s		+15

3 August, Sunday. day, 19°; night, 13°; partly cloudy

4 August, mon

	762 mmHg		82%
	6.2 m/s		+15

4 August, Monday. day, 19°; night, 13°; partly cloudy

5 August, tue

	762 mmHg		83%
	6.1 m/s		+15

5 August, Tuesday. day, 19°; night, 13°; overcast

6 August, wed

	763 mmHg		83%
	6.1 m/s		+15

6 August, Wednesday. day, 19°; night, 13°; overcast

7 August, thu

	763 mmHg		82%
	6.3 m/s		+15

7 August, Thursday. day, 19°; night, 13°; partly cloudy

8 August, fri

	763 mmHg		82%
	6.3 m/s		+16

8 August, Friday. day, 19°; night, 13°; partly cloudy

9 August, sat

	763 mmHg		81%
	6.1 m/s		+16

9 August, Saturday. day, 19°; night, 13°; partly cloudy

10 August, sun

	762 mmHg		82%
	5.9 m/s		+16

10 August, Sunday. day, 19°; night, 13°; clear

11 August, mon

	763 mmHg		82%
	5.9 m/s		+16

11 August, Monday. day, 19°; night, 13°; clear

12 August, tue

	763 mmHg		82%
	6 m/s		+16

12 August, Tuesday. day, 19°; night, 13°; partly cloudy

13 August, wed

	763 mmHg		81%
	6.1 m/s		+16

13 August, Wednesday. day, 20°; night, 13°; clear

14 August, thu

	762 mmHg		81%
	6.1 m/s		+16

14 August, Thursday. day, 20°; night, 14°; clear

15 August, fri

	763 mmHg		82%
	5.7 m/s		+16

15 August, Friday. day, 19°; night, 14°; partly cloudy

16 August, sat

	763 mmHg		81%
	6 m/s		+16

16 August, Saturday. day, 20°; night, 14°; clear

17 August, sun

	763 mmHg		82%
	6.1 m/s		+16

17 August, Sunday. day, 19°; night, 13°; clear

18 August, mon

	763 mmHg		81%
	6.3 m/s		+16

18 August, Monday. day, 19°; night, 14°; clear

19 August, tue

	762 mmHg		82%
	6.4 m/s		+15

19 August, Tuesday. day, 19°; night, 13°; clear

20 August, wed

	762 mmHg		82%
	6.4 m/s		+15

20 August, Wednesday. day, 19°; night, 13°; partly cloudy

21 August, thu

	762 mmHg		82%
	6.3 m/s		+15

21 August, Thursday. day, 19°; night, 13°; partly cloudy

22 August, fri

	762 mmHg		82%
	6.4 m/s		+16

22 August, Friday. day, 19°; night, 14°; rain

23 August, sat

	762 mmHg		81%
	6.6 m/s		+16

23 August, Saturday. day, 19°; night, 13°; clear

24 August, sun

	762 mmHg		80%
	6.7 m/s		+16

24 August, Sunday. day, 19°; night, 13°; clear

25 August, mon

	762 mmHg		81%
	6.4 m/s		+16

25 August, Monday. day, 19°; night, 13°; clear

26 August, tue

	762 mmHg		80%
	6.2 m/s		+16

26 August, Tuesday. day, 20°; night, 14°; clear

27 August, wed

	763 mmHg		80%
	6.3 m/s		+16

27 August, Wednesday. day, 20°; night, 13°; clear

28 August, thu

	762 mmHg		80%
	6.1 m/s		+16

28 August, Thursday. day, 20°; night, 13°; clear

29 August, fri

	762 mmHg		83%
	6.4 m/s		+16

29 August, Friday. day, 19°; night, 14°; partly cloudy

30 August, sat

	762 mmHg		83%
	6.1 m/s		+16

30 August, Saturday. day, 19°; night, 14°; rain

31 August, sun

	762 mmHg		82%
	6 m/s		+16

31 August, Sunday. day, 19°; night, 13°; partly cloudy

1 September, mon

	762 mmHg		79%
	6.1 m/s		+16

1 September, Monday. day, 19°; night, 13°; clear

2 September, tue

	761 mmHg		79%
	6 m/s		+17

2 September, Tuesday. day, 20°; night, 14°; clear

3 September, wed

	762 mmHg		80%
	5.9 m/s		+16

3 September, Wednesday. day, 19°; night, 13°; clear

4 September, thu

	762 mmHg		80%
	6 m/s		+16

4 September, Thursday. day, 19°; night, 13°; clear

5 September, fri

	763 mmHg		79%
	6 m/s		+16

5 September, Friday. day, 19°; night, 13°; clear

6 September, sat

	763 mmHg		80%
	6.1 m/s		+16

6 September, Saturday. day, 19°; night, 13°; clear

Average data for 10 years

Coos Bay August

15

sunny days

2

days with precipitation

2

cloudy days

15 sunny days; 2 days with precipitation; 2 cloudy days;

82

%

air humidity

4.1

m/s

WindSW

12

mm of precipitation

(1% of annual average)

+16

°C

Water temperature

air humidity 82%; 12 millimeters of precipitation (1% of annual average); Wind south-westerly 4.1 Meters per second; Water temperature +16°

Weather graphs for August

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

W

W

W

W

W

W

SW

SW

SW

SW

SW

SW

W

W

SW

SW

SW

SW

SW

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

Portland
Salem
Redding
Eugene
Vancouver
Newport
Aberdeen
Clackamas
Olympia

Cities with similar weather in August

Stockholm
Oslo
San Francisco
Palanga
Copenhagen
Looe
Klaipeda
Brisbane
Bruges

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

August in Coos Bay is the warmest month of the year. In August, the weather in Coos Bay is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Coos Bay has 15 sunny, 12 partly cloudy, 2 rainy, and 2 cloudy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Coos Bay.

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