Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 68°F.

Thursday
1st May

68

52

8
Friday
2nd May

68

55

11
Saturday
3rd May

66

50

8
Sunday
4th May

57

41

9
Monday
5th May

57

39

7

5-day weather forecast updated at 04:01 on Thursday 1st May 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 Thursday 1st May 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 68°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

68
°F maximum temperature
52
°F minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
68
°F wind chill
9
mph wind from SE

Portsmouth weather for Friday 2nd May 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

68
°F maximum temperature
55
°F minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
68
°F wind chill
9
mph wind from W

Portsmouth weather for Saturday 3rd May 2025

Expect isolated thunderstorms in Portsmouth, England with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 14 mph from the east.

66
°F maximum temperature
50
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
4
UV index (Moderate)
31
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
14
mph wind from E

Portsmouth weather for Sunday 4th May 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-east.

57
°F maximum temperature
41
°F minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
mph wind from NE

Portsmouth weather for Monday 5th May 2025

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 16 mph from the north-east.