Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 21°C. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Saturday
13th Jun
21

14

11

6
Sunday
14th Jun
22

12

10

6
Monday
15th Jun
19

15

4

6
Tuesday
16th Jun
22

16

6

6
Wednesday
17th Jun
21

16

7

5

5-day weather forecast updated at 04:02 on Friday 12th June 2026 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 Saturday 13th June 2026

Expect scattered clouds in Portsmouth, England with a maximum temperature of 21°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

21
°C maximum temperature
14
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Portsmouth weather for Sunday 14th June 2026

Expect scattered clouds in Portsmouth, England with a maximum temperature of 22°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

22
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
17
kph wind from NW

Portsmouth weather for Monday 15th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 19°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

Portsmouth weather for Tuesday 16th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 22°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

22
°C maximum temperature
16
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
16
kph wind from SW

Portsmouth weather for Wednesday 17th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.