Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 15°C. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Friday
31st Oct
15

14

1

1
Saturday
1st Nov
15

11

3

1
Sunday
2nd Nov
12

8

5

1
Monday
3rd Nov
14

10

0

1
Tuesday
4th Nov
14

13

0

1

5-day weather forecast updated at 04:01 on Friday 31st October 2025 GMT

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The 5-day weather forecast for England (Portsmouth) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portsmouth weather forecast by day

Below are the detailed weather forecasts for Portsmouth for the next 5 days.

Portsmouth weather for Friday 31st October 2025

Expect isolated thunderstorms in Portsmouth, England with a maximum temperature of 15°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a strong breeze of 40 kph from the south.

15
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
77
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
40
kph wind from S

Portsmouth weather for Saturday 1st November 2025

Expect mostly cloudy with rain in Portsmouth, England with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a strong breeze of 40 kph from the south-west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
69
% chance of some rain
<10
mm of rainfall expected
15
°C wind chill
40
kph wind from SW

Portsmouth weather for Sunday 2nd November 2025

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 12°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 25 kph from the west.

12
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<10
mm of rainfall expected
12
°C wind chill
25
kph wind from W

Portsmouth weather for Monday 3rd November 2025

Expect overcast skies in Portsmouth, England with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the south-west.

14
°C maximum temperature
10
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
38
kph wind from SW

Portsmouth weather for Tuesday 4th November 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a fresh breeze of 33 kph from the south.