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August weather forecast in Portland

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

28 July, sun

	754 mmHg		81%
	4.8 m/s		+19

28 July, Sunday. day, 22°; night, 19°; clear

29 July, mon

	755 mmHg		79%
	4.3 m/s		+19

29 July, Monday. day, 22°; night, 19°; rain

30 July, tue

	756 mmHg		75%
	4.9 m/s		+19

30 July, Tuesday. day, 22°; night, 18°; partly cloudy

31 July, wed

	756 mmHg		81%
	4.5 m/s		+20

31 July, Wednesday. day, 22°; night, 19°; partly cloudy

1 August, thu

	756 mmHg		87%
	4 m/s		+19

1 August, Thursday. day, 21°; night, 19°; rain

2 August, fri

	755 mmHg		82%
	4.1 m/s		+20

2 August, Friday. day, 22°; night, 18°; partly cloudy

3 August, sat

	755 mmHg		81%
	5 m/s		+20

3 August, Saturday. day, 22°; night, 19°; clear

4 August, sun

	755 mmHg		81%
	4.6 m/s		+20

4 August, Sunday. day, 22°; night, 19°; clear

5 August, mon

	755 mmHg		75%
	5.5 m/s		+20

5 August, Monday. day, 22°; night, 18°; partly cloudy

6 August, tue

	755 mmHg		75%
	5 m/s		+20

6 August, Tuesday. day, 21°; night, 18°; partly cloudy

7 August, wed

	755 mmHg		76%
	4.9 m/s		+20

7 August, Wednesday. day, 21°; night, 17°; rain

8 August, thu

	756 mmHg		79%
	5.4 m/s		+19

8 August, Thursday. day, 21°; night, 18°; rain

9 August, fri

	756 mmHg		81%
	5 m/s		+20

9 August, Friday. day, 21°; night, 18°; partly cloudy

10 August, sat

	756 mmHg		82%
	5.3 m/s		+20

10 August, Saturday. day, 21°; night, 19°; clear

11 August, sun

	756 mmHg		83%
	4.5 m/s		+20

11 August, Sunday. day, 21°; night, 18°; overcast

12 August, mon

	755 mmHg		81%
	5.4 m/s		+19

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

13 August, tue

	756 mmHg		79%
	4.8 m/s		+20

13 August, Tuesday. day, 21°; night, 18°; partly cloudy

14 August, wed

	756 mmHg		80%
	5.1 m/s		+20

14 August, Wednesday. day, 21°; night, 18°; partly cloudy

15 August, thu

	757 mmHg		79%
	4.4 m/s		+20

15 August, Thursday. day, 22°; night, 19°; clear

16 August, fri

	757 mmHg		77%
	3.9 m/s		+20

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

17 August, sat

	755 mmHg		75%
	5 m/s		+20

17 August, Saturday. day, 22°; night, 19°; clear

18 August, sun

	755 mmHg		77%
	4.5 m/s		+21

18 August, Sunday. day, 23°; night, 19°; rain

19 August, mon

	756 mmHg		75%
	4.5 m/s		+20

19 August, Monday. day, 22°; night, 19°; clear

20 August, tue

	757 mmHg		79%
	4.5 m/s		+20

20 August, Tuesday. day, 21°; night, 18°; clear

21 August, wed

	757 mmHg		80%
	5.8 m/s		+20

21 August, Wednesday. day, 22°; night, 19°; clear

22 August, thu

	757 mmHg		76%
	5.1 m/s		+19

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

23 August, fri

	759 mmHg		75%
	5.1 m/s		+19

23 August, Friday. day, 21°; night, 18°; clear

24 August, sat

	758 mmHg		81%
	5.3 m/s		+19

24 August, Saturday. day, 21°; night, 19°; partly cloudy

25 August, sun

	757 mmHg		79%
	5 m/s		+20

25 August, Sunday. day, 22°; night, 19°; partly cloudy

26 August, mon

	758 mmHg		73%
	4.6 m/s		+20

26 August, Monday. day, 22°; night, 18°; clear

27 August, tue

	757 mmHg		74%
	5.5 m/s		+19

27 August, Tuesday. day, 21°; night, 17°; partly cloudy

28 August, wed

	758 mmHg		75%
	6 m/s		+19

28 August, Wednesday. day, 20°; night, 18°; clear

29 August, thu

	757 mmHg		73%
	4.5 m/s		+20

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

30 August, fri

	756 mmHg		72%
	4.5 m/s		+20

30 August, Friday. day, 22°; night, 18°; rain

31 August, sat

	757 mmHg		74%
	4.8 m/s		+20

31 August, Saturday. day, 21°; night, 18°; clear

Average data for 10 years

Portland August

14

sunny days

6

days with precipitation

11

cloudy days

14 sunny days; 6 days with precipitation; 11 cloudy days;

76

%

air humidity

3

m/s

WindSW

66

mm of precipitation

(7% of annual average)

+20

°C

Water temperature

air humidity 76%; 66 millimeters of precipitation (7% of annual average); Wind south-westerly 3 Meters per second; Water temperature +20°

Weather graphs for August

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

SE

S

S

SW

SW

SW

SW

S

S

S

SE

SE

SW

S

SW

SW

SW

SW

W

S

S

N

S

SE

SW

W

SE

NE

W

SW

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

Boston
Montreal
Quebec
Anjou
New Haven
Nantucket
Old Orchard Beach
Concord
Colchester

Cities with similar weather in August

Lisbon
Vancouver
Porto
Santa Cruz de Tenerife
Seattle
Las Palmas de Gran Canaria
Playa de las Americas
Montreal
Port Louis

The weather forecast for August 2024 is based on historical data from the past 10 years.

In August, the weather in Portland is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Portland has 14 sunny, 10 partly cloudy, 6 rainy, and 1 cloudy day in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Portland.

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