Portsmouth weather live forecast

Tomorrow's maximum temperature in Portsmouth is expected to be 81°F.

Saturday
21st Jun

81

68

6
Sunday
22nd Jun

72

61

6
Monday
23rd Jun

70

59

8
Tuesday
24th Jun

70

57

5
Wednesday
25th Jun

75

61

6

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 Saturday 21st June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 81°F, 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 12 mph from the south-east.

81
°F maximum temperature
68
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
mph wind from SE

Portsmouth weather for Sunday 22nd June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 72°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the south-west.

72
°F maximum temperature
61
°F minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
20
mph wind from SW

Portsmouth weather for Monday 23rd June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 70°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the west.

70
°F maximum temperature
59
°F minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
mph wind from W

Portsmouth weather for Tuesday 24th June 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 70°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the west.

70
°F maximum temperature
57
°F minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
mph wind from W

Portsmouth weather for Wednesday 25th June 2025

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 75°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 14 mph from the south-west.