Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 59°F.

Tuesday
15th Apr

59

48

5
Wednesday
16th Apr

55

46

10
Thursday
17th Apr

57

45

11
Friday
18th Apr

57

50

3
Saturday
19th Apr

54

48

1

5-day weather forecast updated at 04:01 on Tuesday 15th April 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 Tuesday 15th April 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 16 mph from the south-east.

59
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
5
hours of sunshine
3
UV index (Moderate)
53
% chance of some rain
<5
mm of rainfall expected
59
°F wind chill
16
mph wind from SE

Portsmouth weather for Wednesday 16th April 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 55°F, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the south-west.

55
°F maximum temperature
46
°F minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
mph wind from SW

Portsmouth weather for Thursday 17th April 2025

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 12 mph from the south.

57
°F maximum temperature
45
°F minimum temperature
sunshine and showers
11
hours of sunshine
4
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
mph wind from S

Portsmouth weather for Friday 18th April 2025

Expect mostly cloudy with rain in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 16 mph from the south-east.

57
°F maximum temperature
50
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
60
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
16
mph wind from SE

Portsmouth weather for Saturday 19th April 2025

Expect mostly cloudy with rain in Portsmouth, England with a maximum temperature of 54°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 17 mph from the east.