Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 10°C. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Wednesday
21st Jan
10

6

0

0
Thursday
22nd Jan
10

8

1

0
Friday
23rd Jan
9

7

1

0
Saturday
24th Jan
9

6

3

1
Sunday
25th Jan
6

4

2

0

5-day weather forecast updated at 04:02 on Wednesday 21st January 2026 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 Wednesday 21st January 2026

Expect mostly cloudy with rain in Portsmouth, England with a maximum temperature of 10°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a strong breeze of 40 kph from the south-east.

10
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
88
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
40
kph wind from SE

Portsmouth weather for Thursday 22nd January 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

10
°C maximum temperature
8
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
6
°C wind chill
26
kph wind from SE

Portsmouth weather for Friday 23rd January 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 30 kph from the south-east.

9
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
93
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
30
kph wind from SE

Portsmouth weather for Saturday 24th January 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 22 kph from the south-east.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
31
% chance of some rain
<2
mm of rainfall expected
6
°C wind chill
22
kph wind from SE

Portsmouth weather for Sunday 25th January 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 6°C and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.