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March weather forecast in Portsmouth

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		70%
	4.9 m/s		+4

23 February, Sunday. day, 3°; night, -2°; overcast

24 February, mon

	755 mmHg		69%
	5.6 m/s		+4

24 February, Monday. day, 2°; night, -3°; rain

25 February, tue

	754 mmHg		67%
	6.2 m/s		+4

25 February, Tuesday. day, 2°; night, -3°; rain

26 February, wed

	755 mmHg		64%
	5.6 m/s		+3

26 February, Wednesday. day, 2°; night, -4°; clear

27 February, thu

	755 mmHg		65%
	5.2 m/s		+3

27 February, Thursday. day, 3°; night, -4°; clear

28 February, fri

	754 mmHg		66%
	5.2 m/s		+3

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

1 March, sat

	755 mmHg		68%
	4.8 m/s		+3

1 March, Saturday. day, 2°; night, -4°; overcast

2 March, sun

	752 mmHg		72%
	5.6 m/s		+3

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

3 March, mon

	753 mmHg		65%
	5.7 m/s		+2

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

4 March, tue

	754 mmHg		64%
	5.7 m/s		+3

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

5 March, wed

	756 mmHg		64%
	5.2 m/s		+3

5 March, Wednesday. day, 2°; night, -3°; partly cloudy

6 March, thu

	756 mmHg		64%
	5.4 m/s		+4

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

7 March, fri

	757 mmHg		65%
	5.4 m/s		+5

7 March, Friday. day, 3°; night, -3°; rain

8 March, sat

	756 mmHg		68%
	5.4 m/s		+4

8 March, Saturday. day, 4°; night, -2°; rain

9 March, sun

	756 mmHg		64%
	5.6 m/s		+5

9 March, Sunday. day, 6°; night, -2°; partly cloudy

10 March, mon

	756 mmHg		68%
	5 m/s		+5

10 March, Monday. day, 5°; night, -2°; rain

11 March, tue

	756 mmHg		64%
	5.3 m/s		+5

11 March, Tuesday. day, 6°; night, -1°; overcast

12 March, wed

	755 mmHg		65%
	5.4 m/s		+5

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

13 March, thu

	756 mmHg		63%
	5.3 m/s		+5

13 March, Thursday. day, 5°; night, -1°; clear

14 March, fri

	756 mmHg		67%
	5.5 m/s		+4

14 March, Friday. day, 5°; night, -1°; rain

15 March, sat

	753 mmHg		70%
	5.6 m/s		+4

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

16 March, sun

	755 mmHg		64%
	5.1 m/s		+5

16 March, Sunday. day, 5°; night, 0°; partly cloudy

17 March, mon

	755 mmHg		65%
	4.9 m/s		+6

17 March, Monday. day, 5°; night, -2°; clear

18 March, tue

	756 mmHg		60%
	4.9 m/s		+5

18 March, Tuesday. day, 6°; night, -2°; clear

19 March, wed

	758 mmHg		62%
	4.9 m/s		+5

19 March, Wednesday. day, 5°; night, -1°; clear

20 March, thu

	757 mmHg		64%
	4.8 m/s		+5

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

21 March, fri

	755 mmHg		65%
	5.1 m/s		+5

21 March, Friday. day, 7°; night, 0°; clear

22 March, sat

	753 mmHg		64%
	5.9 m/s		+5

22 March, Saturday. day, 6°; night, 0°; rain

23 March, sun

	754 mmHg		61%
	5.5 m/s		+5

23 March, Sunday. day, 6°; night, -1°; clear

24 March, mon

	756 mmHg		62%
	4.9 m/s		+5

24 March, Monday. day, 6°; night, -1°; partly cloudy

25 March, tue

	758 mmHg		66%
	4.4 m/s		+5

25 March, Tuesday. day, 7°; night, -1°; overcast

26 March, wed

	756 mmHg		65%
	5.1 m/s		+5

26 March, Wednesday. day, 8°; night, 0°; partly cloudy

27 March, thu

	756 mmHg		61%
	4.69 m/s		+6

27 March, Thursday. day, 9°; night, 0°; clear

28 March, fri

	756 mmHg		67%
	4.69 m/s		+6

28 March, Friday. day, 8°; night, 1°; rain

29 March, sat

	755 mmHg		69%
	5.3 m/s		+5

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

30 March, sun

	755 mmHg		64%
	5.6 m/s		+6

30 March, Sunday. day, 9°; night, 1°; clear

31 March, mon

	755 mmHg		63%
	5.1 m/s		+5

31 March, Monday. day, 10°; night, 2°; rain

1 April, tue

	752 mmHg		70%
	5.2 m/s		+7

1 April, Tuesday. day, 10°; night, 2°; rain

2 April, wed

	753 mmHg		64%
	5.3 m/s		+7

2 April, Wednesday. day, 9°; night, 2°; partly cloudy

3 April, thu

	754 mmHg		64%
	5.3 m/s		+6

3 April, Thursday. day, 9°; night, 2°; rain

4 April, fri

	752 mmHg		67%
	5.8 m/s		+7

4 April, Friday. day, 8°; night, 2°; rain

5 April, sat

	752 mmHg		62%
	5.6 m/s		+6

5 April, Saturday. day, 8°; night, 1°; partly cloudy

Average data for 10 years

Portsmouth March

9

sunny days

11

days with precipitation

9

cloudy days

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

65

%

air humidity

3.7

m/s

WindSW

106

mm of precipitation

(9% of annual average)

+5

°C

Water temperature

air humidity 65%; 106 millimeters of precipitation (9% of annual average); Wind south-westerly 3.7 Meters per second; Water temperature +5°

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

SW

SW

SW

W

S

SW

SW

SW

W

SW

S

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
Islandia
Montreal
Quebec
Colchester
Jamaica
Weehawken
Brookhaven
Greenwich

Cities with similar weather in March

Helsinki
Riga
Tallinn
Stockholm
Reykyavik
Oslo
Yurmala
Toronto
Palanga

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

In March, the weather in Portsmouth is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Portsmouth has 11 partly cloudy, 9 sunny, 6 rainy, 4 cloudy, and 1 snowy day in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Portsmouth.

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