Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 23°C.

Monday
16th Jun

23

14

14
Tuesday
17th Jun

24

14

13
Wednesday
18th Jun

26

14

12
Thursday
19th Jun

23

17

16
Friday
20th Jun

26

17

6

5-day weather forecast updated at 04:01 on Monday 16th 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 Monday 16th June 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

23
°C maximum temperature
14
°C minimum temperature
scattered clouds
14
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from W

Portsmouth weather for Tuesday 17th June 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 24°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

24
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
17
kph wind from W

Portsmouth weather for Wednesday 18th June 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 26°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

26
°C maximum temperature
14
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
26
°C wind chill
12
kph wind from NW

Portsmouth weather for Thursday 19th June 2025

Expect clear skies in Portsmouth, England with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

23
°C maximum temperature
17
°C minimum temperature
clear skies
16
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SE

Portsmouth weather for Friday 20th June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 26°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.