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August 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

27 July, sun

	757 mmHg		80%
	5 m/s		+23

27 July, Sunday. day, 23°; night, 20°; clear

28 July, mon

	757 mmHg		75%
	4.6 m/s		+23

28 July, Monday. day, 24°; night, 20°; clear

29 July, tue

	758 mmHg		75%
	4.6 m/s		+23

29 July, Tuesday. day, 23°; night, 20°; clear

30 July, wed

	760 mmHg		70%
	5 m/s		+23

30 July, Wednesday. day, 23°; night, 19°; rain

31 July, thu

	759 mmHg		76%
	4.9 m/s		+23

31 July, Thursday. day, 23°; night, 20°; rain

1 August, fri

	759 mmHg		81%
	4.3 m/s		+22

1 August, Friday. day, 23°; night, 20°; rain

2 August, sat

	758 mmHg		77%
	4 m/s		+23

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

3 August, sun

	758 mmHg		76%
	4.4 m/s		+24

3 August, Sunday. day, 24°; night, 20°; clear

4 August, mon

	759 mmHg		75%
	4.9 m/s		+23

4 August, Monday. day, 23°; night, 20°; clear

5 August, tue

	759 mmHg		68%
	5.8 m/s		+23

5 August, Tuesday. day, 23°; night, 19°; clear

6 August, wed

	758 mmHg		73%
	5 m/s		+22

6 August, Wednesday. day, 22°; night, 19°; rain

7 August, thu

	759 mmHg		75%
	4.4 m/s		+23

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

8 August, fri

	759 mmHg		75%
	5 m/s		+22

8 August, Friday. day, 23°; night, 19°; rain

9 August, sat

	759 mmHg		75%
	5.1 m/s		+23

9 August, Saturday. day, 23°; night, 20°; partly cloudy

10 August, sun

	759 mmHg		80%
	5 m/s		+22

10 August, Sunday. day, 22°; night, 20°; rain

11 August, mon

	759 mmHg		79%
	4.3 m/s		+23

11 August, Monday. day, 22°; night, 20°; rain

12 August, tue

	758 mmHg		79%
	5.1 m/s		+23

12 August, Tuesday. day, 22°; night, 20°; partly cloudy

13 August, wed

	759 mmHg		72%
	4.9 m/s		+23

13 August, Wednesday. day, 23°; night, 19°; partly cloudy

14 August, thu

	759 mmHg		73%
	5.1 m/s		+23

14 August, Thursday. day, 23°; night, 19°; clear

15 August, fri

	760 mmHg		74%
	4.6 m/s		+23

15 August, Friday. day, 24°; night, 20°; partly cloudy

16 August, sat

	760 mmHg		70%
	3.7 m/s		+24

16 August, Saturday. day, 24°; night, 20°; clear

17 August, sun

	759 mmHg		68%
	5 m/s		+24

17 August, Sunday. day, 25°; night, 21°; partly cloudy

18 August, mon

	758 mmHg		70%
	4.3 m/s		+24

18 August, Monday. day, 24°; night, 20°; rain

19 August, tue

	760 mmHg		73%
	4.5 m/s		+24

19 August, Tuesday. day, 23°; night, 20°; clear

20 August, wed

	761 mmHg		75%
	4.4 m/s		+23

20 August, Wednesday. day, 23°; night, 19°; clear

21 August, thu

	760 mmHg		75%
	5.6 m/s		+23

21 August, Thursday. day, 23°; night, 20°; clear

22 August, fri

	761 mmHg		73%
	5.9 m/s		+22

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

23 August, sat

	763 mmHg		70%
	5 m/s		+23

23 August, Saturday. day, 22°; night, 18°; clear

24 August, sun

	762 mmHg		76%
	5.3 m/s		+23

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

25 August, mon

	760 mmHg		75%
	4.8 m/s		+23

25 August, Monday. day, 24°; night, 19°; partly cloudy

26 August, tue

	761 mmHg		70%
	4.6 m/s		+23

26 August, Tuesday. day, 23°; night, 19°; clear

27 August, wed

	761 mmHg		72%
	5.4 m/s		+22

27 August, Wednesday. day, 22°; night, 18°; clear

28 August, thu

	761 mmHg		74%
	5.6 m/s		+21

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

29 August, fri

	760 mmHg		70%
	4.6 m/s		+22

29 August, Friday. day, 23°; night, 18°; rain

30 August, sat

	760 mmHg		68%
	4.9 m/s		+23

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

31 August, sun

	761 mmHg		69%
	5 m/s		+23

31 August, Sunday. day, 23°; night, 19°; clear

1 September, mon

	760 mmHg		70%
	4.4 m/s		+23

1 September, Monday. day, 23°; night, 19°; clear

2 September, tue

	759 mmHg		76%
	4.6 m/s		+22

2 September, Tuesday. day, 22°; night, 19°; rain

3 September, wed

	760 mmHg		72%
	5.6 m/s		+22

3 September, Wednesday. day, 22°; night, 18°; clear

4 September, thu

	761 mmHg		73%
	5.5 m/s		+22

4 September, Thursday. day, 22°; night, 18°; clear

5 September, fri

	762 mmHg		72%
	6.1 m/s		+21

5 September, Friday. day, 21°; night, 18°; rain

6 September, sat

	761 mmHg		77%
	5.3 m/s		+21

6 September, Saturday. day, 21°; night, 17°; clear

Average data for 10 years

Portsmouth August

14

sunny days

8

days with precipitation

9

cloudy days

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

74

%

air humidity

3.5

m/s

WindSW

75

mm of precipitation

(8% of annual average)

+23

°C

Water temperature

air humidity 74%; 75 millimeters of precipitation (8% of annual average); Wind south-westerly 3.5 Meters per second; Water temperature +23°

Weather graphs for August

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

S

S

S

SW

SW

SW

SW

S

S

S

SE

S

SW

SW

W

W

SW

SW

W

S

S

N

S

S

SW

W

E

N

W

W

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
Islandia
Montreal
Jamaica
Colchester
Quebec
Anjou
Laval
Portland

Cities with similar weather in August

Lisbon
Toronto
Porto
Genoa
Santa Cruz de Tenerife
Funchal
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 Portsmouth is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Portsmouth has 14 sunny, 9 partly cloudy, and 8 rainy days in August. The rains are usually moderate. August as well as September is considered the most comfortable time to visit Portsmouth.

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