Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 48°F. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Saturday
31st Jan
48

45

1

1
Sunday
1st Feb
48

41

1

1
Monday
2nd Feb
48

39

4

0
Tuesday
3rd Feb
48

43

0

0
Wednesday
4th Feb
48

43

3

1

5-day weather forecast updated at 04:01 on Saturday 31st 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 Saturday 31st January 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 48°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 12 mph from the south.

48
°F maximum temperature
45
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
34
% chance of some rain
<2
mm of rainfall expected
45
°F wind chill
12
mph wind from S

Portsmouth weather for Sunday 1st February 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 48°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a light breeze of 6 mph from the west.

48
°F maximum temperature
41
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
28
% chance of some rain
<2
mm of rainfall expected
46
°F wind chill
6
mph wind from W

Portsmouth weather for Monday 2nd February 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 48°F and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 17 mph from the east.

48
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
0
UV index (None)
63
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
17
mph wind from E

Portsmouth weather for Tuesday 3rd February 2026

Expect overcast with light rain in Portsmouth, England with a maximum temperature of 48°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 15 mph from the east.

48
°F maximum temperature
43
°F minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
62
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
15
mph wind from E

Portsmouth weather for Wednesday 4th February 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 48°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 12 mph from the south-east.