Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 66°F. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Tuesday
13th Oct
66

55

4

2
Wednesday
14th Oct
64

52

4

1
Thursday
15th Oct
68

59

3

2
Friday
16th Oct
61

52

3

2
Saturday
17th Oct
57

48

6

2

5-day weather forecast updated at 04:01 on Tuesday 13th October 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 13th October 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 66°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a moderate breeze of 16 mph from the west.

66
°F maximum temperature
55
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
20
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
16
mph wind from W

Portsmouth weather for Wednesday 14th October 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 64°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

64
°F maximum temperature
52
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Portsmouth weather for Thursday 15th October 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 68°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the south-west.

68
°F maximum temperature
59
°F minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
68
°F wind chill
15
mph wind from SW

Portsmouth weather for Friday 16th October 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 61°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 9 mph from the north-west.

61
°F maximum temperature
52
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
57
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
9
mph wind from NW

Portsmouth weather for Saturday 17th October 2026

Expect scattered clouds in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north.