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August weather forecast in Corvallis

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

	740 mmHg		64%
	3.5 m/s

27 July, Sunday. day, 28°; night, 12°; clear

28 July, mon

	740 mmHg		65%
	3.4 m/s

28 July, Monday. day, 28°; night, 12°; clear

29 July, tue

	740 mmHg		64%
	3.5 m/s

29 July, Tuesday. day, 28°; night, 12°; clear

30 July, wed

	740 mmHg		64%
	3.5 m/s

30 July, Wednesday. day, 27°; night, 12°; clear

31 July, thu

	740 mmHg		63%
	3.5 m/s

31 July, Thursday. day, 27°; night, 11°; clear

1 August, fri

	740 mmHg		64%
	3.6 m/s

1 August, Friday. day, 27°; night, 12°; clear

2 August, sat

	741 mmHg		65%
	3.4 m/s

2 August, Saturday. day, 27°; night, 12°; clear

3 August, sun

	741 mmHg		66%
	3.5 m/s

3 August, Sunday. day, 27°; night, 12°; clear

4 August, mon

	740 mmHg		64%
	3.5 m/s

4 August, Monday. day, 27°; night, 12°; clear

5 August, tue

	740 mmHg		65%
	3.6 m/s

5 August, Tuesday. day, 27°; night, 12°; clear

6 August, wed

	740 mmHg		69%
	3.6 m/s

6 August, Wednesday. day, 26°; night, 12°; partly cloudy

7 August, thu

	740 mmHg		68%
	3.7 m/s

7 August, Thursday. day, 26°; night, 12°; clear

8 August, fri

	740 mmHg		68%
	3.4 m/s

8 August, Friday. day, 26°; night, 12°; partly cloudy

9 August, sat

	740 mmHg		66%
	3.3 m/s

9 August, Saturday. day, 27°; night, 12°; clear

10 August, sun

	740 mmHg		66%
	3.4 m/s

10 August, Sunday. day, 27°; night, 12°; clear

11 August, mon

	740 mmHg		67%
	3.3 m/s

11 August, Monday. day, 27°; night, 12°; clear

12 August, tue

	740 mmHg		67%
	3.3 m/s

12 August, Tuesday. day, 27°; night, 12°; clear

13 August, wed

	740 mmHg		65%
	3.4 m/s

13 August, Wednesday. day, 28°; night, 12°; clear

14 August, thu

	740 mmHg		62%
	3.5 m/s

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

15 August, fri

	740 mmHg		65%
	3.3 m/s

15 August, Friday. day, 27°; night, 13°; clear

16 August, sat

	740 mmHg		67%
	3.3 m/s

16 August, Saturday. day, 27°; night, 12°; clear

17 August, sun

	740 mmHg		66%
	3.5 m/s

17 August, Sunday. day, 27°; night, 12°; clear

18 August, mon

	740 mmHg		68%
	3.5 m/s

18 August, Monday. day, 26°; night, 12°; clear

19 August, tue

	739 mmHg		66%
	3.3 m/s

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

20 August, wed

	739 mmHg		68%
	3.8 m/s

20 August, Wednesday. day, 26°; night, 12°; clear

21 August, thu

	739 mmHg		69%
	3.7 m/s

21 August, Thursday. day, 26°; night, 12°; partly cloudy

22 August, fri

	740 mmHg		69%
	3.4 m/s

22 August, Friday. day, 25°; night, 12°; rain

23 August, sat

	740 mmHg		68%
	3.4 m/s

23 August, Saturday. day, 25°; night, 11°; partly cloudy

24 August, sun

	739 mmHg		66%
	3.4 m/s

24 August, Sunday. day, 26°; night, 11°; clear

25 August, mon

	739 mmHg		66%
	3.4 m/s

25 August, Monday. day, 26°; night, 12°; clear

26 August, tue

	740 mmHg		67%
	3.5 m/s

26 August, Tuesday. day, 26°; night, 12°; partly cloudy

27 August, wed

	740 mmHg		66%
	3.3 m/s

27 August, Wednesday. day, 26°; night, 12°; partly cloudy

28 August, thu

	740 mmHg		64%
	3.3 m/s

28 August, Thursday. day, 27°; night, 11°; clear

29 August, fri

	739 mmHg		69%
	3.6 m/s

29 August, Friday. day, 26°; night, 12°; rain

30 August, sat

	740 mmHg		70%
	3.5 m/s

30 August, Saturday. day, 24°; night, 12°; rain

31 August, sun

	740 mmHg		70%
	3.4 m/s

31 August, Sunday. day, 24°; night, 11°; partly cloudy

1 September, mon

	739 mmHg		67%
	3.4 m/s

1 September, Monday. day, 25°; night, 11°; clear

2 September, tue

	739 mmHg		66%
	3.3 m/s

2 September, Tuesday. day, 26°; night, 11°; clear

3 September, wed

	739 mmHg		67%
	3.3 m/s

3 September, Wednesday. day, 25°; night, 12°; clear

4 September, thu

	740 mmHg		67%
	3.3 m/s

4 September, Thursday. day, 25°; night, 10°; clear

5 September, fri

	740 mmHg		67%
	3.2 m/s

5 September, Friday. day, 25°; night, 11°; clear

6 September, sat

	741 mmHg		68%
	3.4 m/s

6 September, Saturday. day, 25°; night, 10°; clear

Average data for 10 years

Corvallis August

21

sunny days

3

days with precipitation

1

cloudy day

21 sunny days; 3 days with precipitation; 1 cloudy day;

67

%

air humidity

2

m/s

WindW

15

mm of precipitation

(2% of annual average)

air humidity 67%; 15 millimeters of precipitation (2% of annual average); Wind westerly 2 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

SW

W

W

W

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

Seattle
Portland
Salem
Victoria
Eugene
Vancouver
Mount Ranier National Park
Tacoma
Federal Way

Cities with similar weather in August

Vancouver
Geneva
Gyumri
Lima
Bern
Sao Paulo
San Jose
Nantes
Grenoble

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

August in Corvallis is the sunniest and the warmest month of the year. In August, the weather in Corvallis is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Corvallis has 21 sunny, 7 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Corvallis.

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