Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 27°C.

Friday
20th Jun

27

19

10
Saturday
21st Jun

27

20

6
Sunday
22nd Jun

22

16

6
Monday
23rd Jun

21

15

8
Tuesday
24th Jun

21

14

5

5-day weather forecast updated at 04:01 on Friday 20th June 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 20th June 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from SE

Portsmouth weather for Saturday 21st June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

27
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from SE

Portsmouth weather for Sunday 22nd June 2025

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 fresh breeze of 32 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
0
no heat & humidity
32
kph wind from SW

Portsmouth weather for Monday 23rd June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Portsmouth weather for Tuesday 24th June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 21°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.