Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 57°F.

Wednesday
16th Apr

57

45

9
Thursday
17th Apr

57

43

9
Friday
18th Apr

59

50

0
Saturday
19th Apr

59

48

3
Sunday
20th Apr

59

46

6

5-day weather forecast updated at 04:01 on Wednesday 16th 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 Wednesday 16th April 2025

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a strong breeze of 24 mph from the south-west.

57
°F maximum temperature
45
°F minimum temperature
sunshine and showers
9
hours of sunshine
3
UV index (Moderate)
1
% chance of some rain
<2
mm of rainfall expected
57
°F wind chill
24
mph wind from SW

Portsmouth weather for Thursday 17th April 2025

Expect broken 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 gentle breeze of 9 mph from the south-east.

57
°F maximum temperature
43
°F minimum temperature
broken clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SE

Portsmouth weather for Friday 18th April 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 59°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 15 mph from the south-east.

59
°F maximum temperature
50
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
39
% chance of some rain
<2
mm of rainfall expected
59
°F wind chill
15
mph wind from SE

Portsmouth weather for Saturday 19th April 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 59°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 16 mph from the east.

59
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
45
% chance of some rain
<5
mm of rainfall expected
59
°F wind chill
16
mph wind from E

Portsmouth weather for Sunday 20th April 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 59°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-east.