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October 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

28 September, sun

	758 mmHg		83%
	5.4 m/s		+17

28 September, Sunday. day, 17°; night, 10°; rain

29 September, mon

	757 mmHg		84%
	5.3 m/s		+17

29 September, Monday. day, 17°; night, 10°; rain

30 September, tue

	756 mmHg		86%
	5.8 m/s		+17

30 September, Tuesday. day, 16°; night, 10°; rain

1 October, wed

	754 mmHg		84%
	6.5 m/s		+17

1 October, Wednesday. day, 16°; night, 10°; rain

2 October, thu

	755 mmHg		84%
	5.7 m/s		+16

2 October, Thursday. day, 16°; night, 9°; rain

3 October, fri

	756 mmHg		84%
	5.8 m/s		+16

3 October, Friday. day, 16°; night, 9°; partly cloudy

4 October, sat

	756 mmHg		83%
	6 m/s		+16

4 October, Saturday. day, 15°; night, 9°; partly cloudy

5 October, sun

	756 mmHg		83%
	6.1 m/s		+16

5 October, Sunday. day, 15°; night, 9°; clear

6 October, mon

	756 mmHg		84%
	6.1 m/s		+16

6 October, Monday. day, 15°; night, 9°; rain

7 October, tue

	757 mmHg		85%
	6 m/s		+16

7 October, Tuesday. day, 15°; night, 9°; overcast

8 October, wed

	758 mmHg		85%
	5.4 m/s		+16

8 October, Wednesday. day, 16°; night, 9°; overcast

9 October, thu

	757 mmHg		85%
	5.7 m/s		+16

9 October, Thursday. day, 15°; night, 9°; partly cloudy

10 October, fri

	758 mmHg		82%
	5.9 m/s		+16

10 October, Friday. day, 16°; night, 9°; clear

11 October, sat

	757 mmHg		85%
	5.7 m/s		+16

11 October, Saturday. day, 15°; night, 9°; partly cloudy

12 October, sun

	758 mmHg		86%
	5.4 m/s		+16

12 October, Sunday. day, 15°; night, 8°; overcast

13 October, mon

	757 mmHg		87%
	5.3 m/s		+15

13 October, Monday. day, 15°; night, 9°; partly cloudy

14 October, tue

	757 mmHg		87%
	5 m/s		+15

14 October, Tuesday. day, 14°; night, 8°; overcast

15 October, wed

	756 mmHg		86%
	5.3 m/s		+15

15 October, Wednesday. day, 14°; night, 8°; clear

16 October, thu

	756 mmHg		86%
	5.9 m/s		+15

16 October, Thursday. day, 15°; night, 8°; overcast

17 October, fri

	757 mmHg		84%
	5.9 m/s		+15

17 October, Friday. day, 14°; night, 8°; partly cloudy

18 October, sat

	757 mmHg		85%
	5.5 m/s		+15

18 October, Saturday. day, 14°; night, 7°; rain

19 October, sun

	755 mmHg		85%
	5.9 m/s		+15

19 October, Sunday. day, 14°; night, 8°; clear

20 October, mon

	753 mmHg		86%
	6.4 m/s		+15

20 October, Monday. day, 14°; night, 8°; rain

21 October, tue

	753 mmHg		85%
	6.6 m/s		+15

21 October, Tuesday. day, 13°; night, 7°; rain

22 October, wed

	755 mmHg		86%
	5.8 m/s		+15

22 October, Wednesday. day, 14°; night, 8°; clear

23 October, thu

	755 mmHg		86%
	6.2 m/s		+15

23 October, Thursday. day, 14°; night, 8°; rain

24 October, fri

	754 mmHg		87%
	6.8 m/s		+15

24 October, Friday. day, 14°; night, 8°; rain

25 October, sat

	754 mmHg		85%
	6.5 m/s		+15

25 October, Saturday. day, 13°; night, 8°; rain

26 October, sun

	756 mmHg		87%
	6.3 m/s		+15

26 October, Sunday. day, 13°; night, 7°; partly cloudy

27 October, mon

	756 mmHg		86%
	6.5 m/s		+15

27 October, Monday. day, 13°; night, 8°; rain

28 October, tue

	756 mmHg		86%
	6.6 m/s		+14

28 October, Tuesday. day, 13°; night, 8°; rain

29 October, wed

	755 mmHg		86%
	6.3 m/s		+14

29 October, Wednesday. day, 13°; night, 8°; rain

30 October, thu

	755 mmHg		87%
	6.2 m/s		+14

30 October, Thursday. day, 13°; night, 8°; overcast

31 October, fri

	755 mmHg		87%
	6 m/s		+14

31 October, Friday. day, 13°; night, 8°; rain

1 November, sat

	754 mmHg		87%
	6.5 m/s		+14

1 November, Saturday. day, 12°; night, 7°; rain

Average data for 10 years

Portsmouth October

5

sunny days

13

days with precipitation

12

cloudy days

5 sunny days; 13 days with precipitation; 12 cloudy days;

85

%

air humidity

4.19

m/s

WindS

87

mm of precipitation

(11% of annual average)

+15

°C

Water temperature

air humidity 85%; 87 millimeters of precipitation (11% of annual average); Wind southerly 4.19 Meters per second; Water temperature +15°

Weather graphs for October

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

SW

S

SW

SW

S

S

SW

SW

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

SW

SW

S

S

S

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

Paris
London
Manchester
Liverpool
Trowbridge
Oxford
Le Havre
Rouen
Bournemouth

Cities with similar weather in October

Vancouver
Melbourne
Auckland
Boston
Seattle
Bruges
Albena
Liverpool
Rijeka

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

October in Portsmouth is the rainiest month of the year. In October, the weather in Portsmouth is typically warm. Average daily high temperature in October is about 14 degrees above zero. On average, Portsmouth has 13 rainy, 7 partly cloudy, 6 cloudy, and 5 sunny days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Portsmouth.

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