Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 14°C.

Wednesday
16th Apr

14

7

9
Thursday
17th Apr

14

6

9
Friday
18th Apr

15

10

0
Saturday
19th Apr

15

9

3
Sunday
20th Apr

15

8

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 14°C, 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 39 kph from the south-west.

14
°C maximum temperature
7
°C minimum temperature
sunshine and showers
9
hours of sunshine
3
UV index (Moderate)
1
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
39
kph wind from SW

Portsmouth weather for Thursday 17th April 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

14
°C maximum temperature
6
°C minimum temperature
broken clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SE

Portsmouth weather for Friday 18th April 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 15°C, 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 24 kph from the south-east.

15
°C maximum temperature
10
°C 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
15
°C wind chill
24
kph wind from SE

Portsmouth weather for Saturday 19th April 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 15°C, 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 25 kph from the east.

15
°C maximum temperature
9
°C 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
15
°C wind chill
25
kph wind from E

Portsmouth weather for Sunday 20th April 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-east.