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March 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

23 February, sun

	755 mmHg		71%
	4.69 m/s		+4

23 February, Sunday. day, 3°; night, -3°; rain

24 February, mon

	755 mmHg		70%
	5.2 m/s		+4

24 February, Monday. day, 1°; night, -4°; rain

25 February, tue

	754 mmHg		68%
	5.8 m/s		+4

25 February, Tuesday. day, 1°; night, -4°; rain

26 February, wed

	755 mmHg		65%
	5.3 m/s		+4

26 February, Wednesday. day, 1°; night, -5°; clear

27 February, thu

	755 mmHg		66%
	5.2 m/s		+4

27 February, Thursday. day, 2°; night, -5°; clear

28 February, fri

	754 mmHg		68%
	5.2 m/s		+4

28 February, Friday. day, 3°; night, -4°; rain

1 March, sat

	756 mmHg		70%
	4.8 m/s		+4

1 March, Saturday. day, 2°; night, -5°; overcast

2 March, sun

	752 mmHg		73%
	5.3 m/s		+3

2 March, Sunday. day, 2°; night, -3°; rain

3 March, mon

	753 mmHg		66%
	5.4 m/s		+4

3 March, Monday. day, 2°; night, -4°; partly cloudy

4 March, tue

	754 mmHg		64%
	5.5 m/s		+4

4 March, Tuesday. day, 2°; night, -4°; partly cloudy

5 March, wed

	756 mmHg		64%
	4.9 m/s		+4

5 March, Wednesday. day, 2°; night, -4°; partly cloudy

6 March, thu

	756 mmHg		64%
	5.1 m/s		+5

6 March, Thursday. day, 3°; night, -3°; rain

7 March, fri

	757 mmHg		66%
	5.4 m/s		+5

7 March, Friday. day, 2°; night, -4°; snow

8 March, sat

	756 mmHg		68%
	5.3 m/s		+4

8 March, Saturday. day, 4°; night, -3°; clear

9 March, sun

	756 mmHg		65%
	5.3 m/s		+4

9 March, Sunday. day, 5°; night, -2°; partly cloudy

10 March, mon

	757 mmHg		69%
	4.9 m/s		+4

10 March, Monday. day, 4°; night, -3°; rain

11 March, tue

	756 mmHg		66%
	5 m/s		+4

11 March, Tuesday. day, 5°; night, -2°; overcast

12 March, wed

	755 mmHg		66%
	5.2 m/s		+4

12 March, Wednesday. day, 5°; night, -1°; partly cloudy

13 March, thu

	756 mmHg		65%
	5.1 m/s		+4

13 March, Thursday. day, 5°; night, -2°; clear

14 March, fri

	756 mmHg		69%
	5.2 m/s		+5

14 March, Friday. day, 5°; night, -2°; rain

15 March, sat

	753 mmHg		71%
	5.5 m/s		+4

15 March, Saturday. day, 5°; night, 0°; rain

16 March, sun

	755 mmHg		65%
	5 m/s		+5

16 March, Sunday. day, 4°; night, -1°; partly cloudy

17 March, mon

	756 mmHg		66%
	4.8 m/s		+5

17 March, Monday. day, 5°; night, -3°; clear

18 March, tue

	756 mmHg		60%
	4.8 m/s		+5

18 March, Tuesday. day, 6°; night, -3°; clear

19 March, wed

	758 mmHg		63%
	4.8 m/s		+5

19 March, Wednesday. day, 4°; night, -2°; clear

20 March, thu

	757 mmHg		65%
	4.69 m/s		+5

20 March, Thursday. day, 6°; night, -2°; rain

21 March, fri

	756 mmHg		66%
	5 m/s		+4

21 March, Friday. day, 7°; night, -1°; clear

22 March, sat

	753 mmHg		65%
	5.7 m/s		+4

22 March, Saturday. day, 6°; night, -1°; rain

23 March, sun

	754 mmHg		62%
	5.4 m/s		+4

23 March, Sunday. day, 5°; night, -1°; clear

24 March, mon

	756 mmHg		63%
	4.9 m/s		+5

24 March, Monday. day, 5°; night, -1°; partly cloudy

25 March, tue

	758 mmHg		67%
	4.4 m/s		+5

25 March, Tuesday. day, 5°; night, -1°; partly cloudy

26 March, wed

	756 mmHg		66%
	5.1 m/s		+5

26 March, Wednesday. day, 7°; night, 0°; partly cloudy

27 March, thu

	756 mmHg		62%
	4.8 m/s		+5

27 March, Thursday. day, 8°; night, 0°; clear

28 March, fri

	756 mmHg		68%
	4.69 m/s		+4

28 March, Friday. day, 7°; night, 0°; rain

29 March, sat

	755 mmHg		69%
	5.2 m/s		+4

29 March, Saturday. day, 8°; night, 1°; rain

30 March, sun

	755 mmHg		66%
	5.4 m/s		+5

30 March, Sunday. day, 9°; night, 1°; partly cloudy

31 March, mon

	755 mmHg		64%
	5 m/s		+5

31 March, Monday. day, 10°; night, 1°; rain

1 April, tue

	753 mmHg		72%
	5.2 m/s		+5

1 April, Tuesday. day, 9°; night, 2°; rain

2 April, wed

	753 mmHg		66%
	5.2 m/s		+5

2 April, Wednesday. day, 8°; night, 1°; rain

3 April, thu

	754 mmHg		66%
	5.2 m/s		+5

3 April, Thursday. day, 8°; night, 1°; rain

4 April, fri

	752 mmHg		67%
	5.5 m/s		+5

4 April, Friday. day, 8°; night, 1°; rain

5 April, sat

	752 mmHg		62%
	5.6 m/s		+5

5 April, Saturday. day, 8°; night, 0°; partly cloudy

Average data for 10 years

Portland March

8

sunny days

11

days with precipitation

9

cloudy days

8 sunny days; 11 days with precipitation; 9 cloudy days;

66

%

air humidity

3.5

m/s

WindSW

101

mm of precipitation

(9% of annual average)

+4

°C

Water temperature

air humidity 66%; 101 millimeters of precipitation (9% of annual average); Wind south-westerly 3.5 Meters per second; Water temperature +4°

Weather graphs for March

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

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

S

SW

SW

SW

W

SW

SW

SW

SW

S

SW

SW

S

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
Colchester
Quebec
Laval
Brookhaven
Lake George
Berlin
Albany

Cities with similar weather in March

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Reykyavik
Oslo
Yurmala
Toronto

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

March in Portland is the windiest and the cloudiest month of the year. In March, the weather in Portland is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Portland has 12 partly cloudy, 8 sunny, 6 rainy, 4 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as January, February, April, and October is considered the most uncomfortable time to visit Portland.

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