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August weather forecast in John Day

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

	654 mmHg		39%
	3.5 m/s

27 July, Sunday. day, 29°; night, 12°; clear

28 July, mon

	654 mmHg		39%
	3.7 m/s

28 July, Monday. day, 30°; night, 13°; clear

29 July, tue

	654 mmHg		39%
	3.6 m/s

29 July, Tuesday. day, 30°; night, 13°; clear

30 July, wed

	654 mmHg		42%
	3.6 m/s

30 July, Wednesday. day, 29°; night, 12°; clear

31 July, thu

	654 mmHg		39%
	3.4 m/s

31 July, Thursday. day, 30°; night, 12°; clear

1 August, fri

	654 mmHg		38%
	3.5 m/s

1 August, Friday. day, 30°; night, 13°; clear

2 August, sat

	654 mmHg		39%
	3.5 m/s

2 August, Saturday. day, 30°; night, 12°; partly cloudy

3 August, sun

	654 mmHg		41%
	3.5 m/s

3 August, Sunday. day, 29°; night, 11°; clear

4 August, mon

	654 mmHg		42%
	3.4 m/s

4 August, Monday. day, 29°; night, 12°; clear

5 August, tue

	653 mmHg		43%
	3.5 m/s

5 August, Tuesday. day, 29°; night, 11°; clear

6 August, wed

	653 mmHg		42%
	3.7 m/s

6 August, Wednesday. day, 28°; night, 12°; partly cloudy

7 August, thu

	653 mmHg		44%
	3.7 m/s

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

8 August, fri

	654 mmHg		41%
	3.5 m/s

8 August, Friday. day, 28°; night, 10°; clear

9 August, sat

	653 mmHg		43%
	3.4 m/s

9 August, Saturday. day, 28°; night, 11°; clear

10 August, sun

	653 mmHg		44%
	3.6 m/s

10 August, Sunday. day, 28°; night, 11°; rain

11 August, mon

	654 mmHg		45%
	3.5 m/s

11 August, Monday. day, 28°; night, 11°; rain

12 August, tue

	654 mmHg		43%
	3.5 m/s

12 August, Tuesday. day, 28°; night, 11°; clear

13 August, wed

	654 mmHg		44%
	3.5 m/s

13 August, Wednesday. day, 28°; night, 11°; clear

14 August, thu

	654 mmHg		41%
	3.5 m/s

14 August, Thursday. day, 28°; night, 10°; clear

15 August, fri

	654 mmHg		41%
	3.5 m/s

15 August, Friday. day, 29°; night, 11°; clear

16 August, sat

	654 mmHg		40%
	3.5 m/s

16 August, Saturday. day, 29°; night, 11°; clear

17 August, sun

	654 mmHg		42%
	3.7 m/s

17 August, Sunday. day, 28°; night, 11°; clear

18 August, mon

	653 mmHg		42%
	3.5 m/s

18 August, Monday. day, 28°; night, 10°; clear

19 August, tue

	653 mmHg		42%
	3.3 m/s

19 August, Tuesday. day, 28°; night, 10°; clear

20 August, wed

	652 mmHg		44%
	3.4 m/s

20 August, Wednesday. day, 27°; night, 10°; partly cloudy

21 August, thu

	653 mmHg		45%
	3.6 m/s

21 August, Thursday. day, 27°; night, 10°; partly cloudy

22 August, fri

	653 mmHg		46%
	3.7 m/s

22 August, Friday. day, 27°; night, 10°; partly cloudy

23 August, sat

	653 mmHg		48%
	3.4 m/s

23 August, Saturday. day, 26°; night, 9°; rain

24 August, sun

	653 mmHg		47%
	3.3 m/s

24 August, Sunday. day, 26°; night, 8°; clear

25 August, mon

	653 mmHg		45%
	3.3 m/s

25 August, Monday. day, 27°; night, 9°; clear

26 August, tue

	653 mmHg		45%
	3.7 m/s

26 August, Tuesday. day, 27°; night, 9°; clear

27 August, wed

	653 mmHg		45%
	3.7 m/s

27 August, Wednesday. day, 27°; night, 9°; clear

28 August, thu

	653 mmHg		42%
	3.5 m/s

28 August, Thursday. day, 27°; night, 9°; clear

29 August, fri

	653 mmHg		42%
	3.6 m/s

29 August, Friday. day, 28°; night, 10°; clear

30 August, sat

	652 mmHg		45%
	3.6 m/s

30 August, Saturday. day, 27°; night, 9°; partly cloudy

31 August, sun

	652 mmHg		47%
	3.5 m/s

31 August, Sunday. day, 25°; night, 8°; clear

1 September, mon

	652 mmHg		46%
	3.6 m/s

1 September, Monday. day, 26°; night, 8°; clear

2 September, tue

	653 mmHg		44%
	3.5 m/s

2 September, Tuesday. day, 26°; night, 8°; clear

3 September, wed

	653 mmHg		45%
	3.5 m/s

3 September, Wednesday. day, 26°; night, 9°; clear

4 September, thu

	653 mmHg		46%
	3.3 m/s

4 September, Thursday. day, 26°; night, 8°; clear

5 September, fri

	653 mmHg		47%
	3.5 m/s

5 September, Friday. day, 25°; night, 8°; clear

6 September, sat

	654 mmHg		46%
	3.3 m/s

6 September, Saturday. day, 25°; night, 8°; clear

Average data for 10 years

John Day August

21

sunny days

4

days with precipitation

6

cloudy days

21 sunny days; 4 days with precipitation; 6 cloudy days;

43

%

air humidity

1.8

m/s

WindSW

18

mm of precipitation

(3% of annual average)

air humidity 43%; 18 millimeters of precipitation (3% of annual average); Wind south-westerly 1.8 Meters per second

Weather graphs for August

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

W

W

W

SW

SW

W

W

SW

SW

SW

SW

SW

SW

SW

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

Moscow
Portland
Vancouver
Mount Ranier National Park
Boise
Leavenworth
Spokane
Clackamas
Moses Lake

Cities with similar weather in August

Prague
Berlin
Karaganda
Pavlodar
Kostanai
Frankfurt am Main
Zurich
Tskhinval
Ottawa

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

In August, the weather in John Day is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, John Day has 21 sunny, 6 partly cloudy, and 4 rainy days in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit John Day.

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