Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 22°C. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Tuesday
16th Jun
22

16

2

7
Wednesday
17th Jun
21

16

2

7
Thursday
18th Jun
21

16

6

7
Friday
19th Jun
24

16

6

7
Saturday
20th Jun
23

16

9

7

5-day weather forecast updated at 04:01 on Monday 15th 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 Tuesday 16th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 22°C, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

22
°C maximum temperature
16
°C minimum temperature
broken clouds
2
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
17
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 7 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

21
°C maximum temperature
16
°C minimum temperature
broken clouds
2
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Portsmouth weather for Thursday 18th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 21°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

21
°C maximum temperature
16
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Portsmouth weather for Friday 19th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 24°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 south-west.

24
°C maximum temperature
16
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Portsmouth weather for Saturday 20th June 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 23°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.