10 day forecast Monthly forecast Weather map

City or area

Go to comparison

August weather forecast in Mount Vernon

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

	762 mmHg		79%
	3.4 m/s		+15

27 July, Sunday. day, 21°; night, 15°; clear

28 July, mon

	762 mmHg		78%
	3.2 m/s		+16

28 July, Monday. day, 21°; night, 15°; clear

29 July, tue

	762 mmHg		78%
	3.4 m/s		+15

29 July, Tuesday. day, 21°; night, 15°; clear

30 July, wed

	762 mmHg		77%
	3.2 m/s		+15

30 July, Wednesday. day, 21°; night, 15°; clear

31 July, thu

	763 mmHg		78%
	3.2 m/s		+15

31 July, Thursday. day, 21°; night, 14°; clear

1 August, fri

	763 mmHg		79%
	3.3 m/s		+15

1 August, Friday. day, 20°; night, 14°; clear

2 August, sat

	763 mmHg		79%
	3.4 m/s		+15

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

3 August, sun

	763 mmHg		79%
	3.3 m/s		+15

3 August, Sunday. day, 20°; night, 14°; clear

4 August, mon

	762 mmHg		79%
	3.1 m/s		+15

4 August, Monday. day, 21°; night, 15°; clear

5 August, tue

	761 mmHg		78%
	3.4 m/s		+15

5 August, Tuesday. day, 21°; night, 15°; clear

6 August, wed

	762 mmHg		80%
	3.3 m/s		+15

6 August, Wednesday. day, 20°; night, 15°; rain

7 August, thu

	762 mmHg		81%
	3.3 m/s		+14

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

8 August, fri

	762 mmHg		81%
	3.2 m/s		+15

8 August, Friday. day, 20°; night, 14°; partly cloudy

9 August, sat

	762 mmHg		80%
	3.1 m/s		+14

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

10 August, sun

	762 mmHg		80%
	3.3 m/s		+15

10 August, Sunday. day, 20°; night, 15°; partly cloudy

11 August, mon

	762 mmHg		80%
	3.1 m/s		+15

11 August, Monday. day, 20°; night, 15°; clear

12 August, tue

	763 mmHg		80%
	3.2 m/s		+15

12 August, Tuesday. day, 20°; night, 15°; partly cloudy

13 August, wed

	763 mmHg		79%
	3.2 m/s		+16

13 August, Wednesday. day, 21°; night, 15°; clear

14 August, thu

	762 mmHg		78%
	3.2 m/s		+16

14 August, Thursday. day, 21°; night, 15°; clear

15 August, fri

	762 mmHg		79%
	3.5 m/s		+16

15 August, Friday. day, 21°; night, 15°; clear

16 August, sat

	762 mmHg		79%
	3.3 m/s		+16

16 August, Saturday. day, 21°; night, 15°; clear

17 August, sun

	762 mmHg		78%
	3.2 m/s		+16

17 August, Sunday. day, 20°; night, 15°; clear

18 August, mon

	762 mmHg		79%
	3.4 m/s		+15

18 August, Monday. day, 21°; night, 14°; clear

19 August, tue

	762 mmHg		80%
	3.3 m/s		+15

19 August, Tuesday. day, 20°; night, 14°; partly cloudy

20 August, wed

	761 mmHg		80%
	3.3 m/s		+14

20 August, Wednesday. day, 20°; night, 14°; partly cloudy

21 August, thu

	761 mmHg		80%
	3.5 m/s		+14

21 August, Thursday. day, 20°; night, 14°; rain

22 August, fri

	762 mmHg		80%
	3.6 m/s		+15

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

23 August, sat

	762 mmHg		80%
	3.4 m/s		+15

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

24 August, sun

	762 mmHg		80%
	3.4 m/s		+14

24 August, Sunday. day, 20°; night, 14°; partly cloudy

25 August, mon

	762 mmHg		80%
	3.4 m/s		+15

25 August, Monday. day, 20°; night, 14°; partly cloudy

26 August, tue

	762 mmHg		79%
	3.4 m/s		+15

26 August, Tuesday. day, 20°; night, 14°; partly cloudy

27 August, wed

	762 mmHg		78%
	3.6 m/s		+14

27 August, Wednesday. day, 20°; night, 14°; partly cloudy

28 August, thu

	762 mmHg		80%
	3.3 m/s		+14

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

29 August, fri

	761 mmHg		81%
	3.7 m/s		+15

29 August, Friday. day, 20°; night, 14°; rain

30 August, sat

	761 mmHg		82%
	3.6 m/s		+14

30 August, Saturday. day, 19°; night, 13°; rain

31 August, sun

	762 mmHg		82%
	3.4 m/s		+15

31 August, Sunday. day, 19°; night, 13°; rain

1 September, mon

	762 mmHg		81%
	3.4 m/s		+15

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

2 September, tue

	762 mmHg		81%
	3.2 m/s		+15

2 September, Tuesday. day, 19°; night, 13°; clear

3 September, wed

	762 mmHg		81%
	3.3 m/s		+15

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

4 September, thu

	762 mmHg		81%
	3.2 m/s		+15

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

5 September, fri

	763 mmHg		82%
	3.3 m/s		+14

5 September, Friday. day, 19°; night, 13°; partly cloudy

6 September, sat

	763 mmHg		81%
	3.5 m/s		+15

6 September, Saturday. day, 19°; night, 13°; partly cloudy

Average data for 10 years

Mount Vernon August

15

sunny days

5

days with precipitation

3

cloudy days

15 sunny days; 5 days with precipitation; 3 cloudy days;

80

%

air humidity

2

m/s

WindSW

36

mm of precipitation

(3% of annual average)

+15

°C

Water temperature

air humidity 80%; 36 millimeters of precipitation (3% of annual average); Wind south-westerly 2 Meters per second; Water temperature +15°

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

SW

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

Vancouver
Seattle
Portland
Salem
Victoria
Vancouver
Mount Ranier National Park
Courtenay
Kelowna

Cities with similar weather in August

Stockholm
Copenhagen
Gdansk
Lima
Bruges
San Sebastian
San Jose
Rostock
Santander

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

August in Mount Vernon is the warmest month of the year. In August, the weather in Mount Vernon is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Mount Vernon has 15 sunny, 11 partly cloudy, and 5 rainy days in August. The rains are usually moderate. August as well as July is considered the most comfortable time to visit Mount Vernon.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC