Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 20°C.

Friday
2nd May

20

12

11
Saturday
3rd May

19

11

4
Sunday
4th May

16

5

6
Monday
5th May

14

3

5
Tuesday
6th May

18

3

6

5-day weather forecast updated at 04:01 on Friday 2nd 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 Friday 2nd May 2025

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 20°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a gentle breeze of 13 kph from the west.

20
°C maximum temperature
12
°C minimum temperature
sunshine and showers
11
hours of sunshine
6
UV index (High)
1
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
13
kph wind from W

Portsmouth weather for Saturday 3rd May 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
22
kph wind from NE

Portsmouth weather for Sunday 4th May 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-east.

16
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
25
kph wind from NE

Portsmouth weather for Monday 5th May 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.

14
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
14
°C wind chill
24
kph wind from NE

Portsmouth weather for Tuesday 6th May 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.