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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

	758 mmHg		77%
	4 m/s		+15

27 July, Sunday. day, 18°; night, 13°; clear

28 July, mon

	758 mmHg		81%
	3.5 m/s		+15

28 July, Monday. day, 18°; night, 13°; clear

29 July, tue

	758 mmHg		79%
	3.2 m/s		+15

29 July, Tuesday. day, 17°; night, 13°; clear

30 July, wed

	758 mmHg		77%
	3.5 m/s		+15

30 July, Wednesday. day, 18°; night, 13°; partly cloudy

31 July, thu

	758 mmHg		79%
	3.2 m/s		+15

31 July, Thursday. day, 18°; night, 13°; clear

1 August, fri

	758 mmHg		83%
	3.4 m/s		+15

1 August, Friday. day, 18°; night, 13°; partly cloudy

2 August, sat

	758 mmHg		82%
	3.5 m/s		+15

2 August, Saturday. day, 18°; night, 13°; clear

3 August, sun

	757 mmHg		81%
	3.7 m/s		+15

3 August, Sunday. day, 17°; night, 13°; partly cloudy

4 August, mon

	757 mmHg		83%
	3.4 m/s		+15

4 August, Monday. day, 18°; night, 12°; clear

5 August, tue

	757 mmHg		81%
	3.5 m/s		+15

5 August, Tuesday. day, 18°; night, 13°; partly cloudy

6 August, wed

	758 mmHg		83%
	3.2 m/s		+15

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

7 August, thu

	758 mmHg		83%
	3.7 m/s		+15

7 August, Thursday. day, 17°; night, 13°; partly cloudy

8 August, fri

	758 mmHg		83%
	4 m/s		+16

8 August, Friday. day, 18°; night, 13°; partly cloudy

9 August, sat

	758 mmHg		81%
	3.2 m/s		+16

9 August, Saturday. day, 18°; night, 13°; clear

10 August, sun

	758 mmHg		82%
	3.7 m/s		+16

10 August, Sunday. day, 18°; night, 14°; clear

11 August, mon

	757 mmHg		83%
	3.7 m/s		+16

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

12 August, tue

	757 mmHg		81%
	3.2 m/s		+16

12 August, Tuesday. day, 18°; night, 13°; clear

13 August, wed

	757 mmHg		80%
	4 m/s		+16

13 August, Wednesday. day, 18°; night, 14°; clear

14 August, thu

	757 mmHg		80%
	4 m/s		+16

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

15 August, fri

	758 mmHg		81%
	4.3 m/s		+16

15 August, Friday. day, 18°; night, 13°; clear

16 August, sat

	757 mmHg		81%
	3.9 m/s		+16

16 August, Saturday. day, 19°; night, 14°; partly cloudy

17 August, sun

	757 mmHg		74%
	3.5 m/s		+16

17 August, Sunday. day, 18°; night, 13°; clear

18 August, mon

	756 mmHg		80%
	3.7 m/s		+16

18 August, Monday. day, 18°; night, 13°; partly cloudy

19 August, tue

	756 mmHg		75%
	4.3 m/s		+15

19 August, Tuesday. day, 18°; night, 13°; partly cloudy

20 August, wed

	756 mmHg		79%
	3.9 m/s		+15

20 August, Wednesday. day, 17°; night, 13°; clear

21 August, thu

	757 mmHg		80%
	3.9 m/s		+15

21 August, Thursday. day, 17°; night, 13°; clear

22 August, fri

	758 mmHg		75%
	4.6 m/s		+16

22 August, Friday. day, 18°; night, 13°; clear

23 August, sat

	757 mmHg		75%
	3.5 m/s		+16

23 August, Saturday. day, 18°; night, 13°; partly cloudy

24 August, sun

	757 mmHg		75%
	4 m/s		+16

24 August, Sunday. day, 18°; night, 14°; clear

25 August, mon

	756 mmHg		70%
	3.4 m/s		+16

25 August, Monday. day, 19°; night, 14°; rain

26 August, tue

	757 mmHg		68%
	3.7 m/s		+16

26 August, Tuesday. day, 19°; night, 14°; clear

27 August, wed

	757 mmHg		77%
	3.2 m/s		+16

27 August, Wednesday. day, 18°; night, 13°; partly cloudy

28 August, thu

	757 mmHg		81%
	4.4 m/s		+16

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

29 August, fri

	757 mmHg		83%
	4.1 m/s		+16

29 August, Friday. day, 17°; night, 13°; clear

30 August, sat

	757 mmHg		76%
	3.7 m/s		+16

30 August, Saturday. day, 18°; night, 14°; clear

31 August, sun

	757 mmHg		76%
	4 m/s		+16

31 August, Sunday. day, 18°; night, 14°; clear

1 September, mon

	757 mmHg		74%
	4.3 m/s		+16

1 September, Monday. day, 19°; night, 14°; clear

2 September, tue

	758 mmHg		70%
	4.3 m/s		+17

2 September, Tuesday. day, 19°; night, 14°; clear

3 September, wed

	757 mmHg		72%
	4.6 m/s		+16

3 September, Wednesday. day, 18°; night, 14°; clear

4 September, thu

	757 mmHg		70%
	4.4 m/s		+16

4 September, Thursday. day, 18°; night, 14°; clear

5 September, fri

	758 mmHg		74%
	4 m/s		+16

5 September, Friday. day, 18°; night, 14°; clear

6 September, sat

	757 mmHg		80%
	3.5 m/s		+16

6 September, Saturday. day, 17°; night, 14°; partly cloudy

Average data for 10 years

Coos Bay August

17

sunny days

1

day with precipitation

13

cloudy days

17 sunny days; 1 day with precipitation; 13 cloudy days;

80

%

air humidity

2.2

m/s

WindNW

13

mm of precipitation

(2% of annual average)

+16

°C

Water temperature

air humidity 80%; 13 millimeters of precipitation (2% of annual average); Wind north-westerly 2.2 Meters per second; Water temperature +16°

Weather graphs for August

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

N

N

N

NW

NW

NW

NW

NW

NW

NW

NW

NW

NW

N

N

N

NW

NW

NW

NW

NW

N

N

NW

NW

NW

W

SW

NW

N

NW

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 18 degrees above zero. On average, Coos Bay has 17 sunny, 13 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Coos Bay.

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