Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 57°F. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Monday
23rd Mar
57

43

7

2
Tuesday
24th Mar
55

48

1

1
Wednesday
25th Mar
50

39

7

3
Thursday
26th Mar
50

37

7

3
Friday
27th Mar
54

43

0

1

5-day weather forecast updated at 04:01 on Monday 23rd March 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 Monday 23rd March 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 57°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

57
°F maximum temperature
43
°F minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
57
°F wind chill
7
mph wind from SW

Portsmouth weather for Tuesday 24th March 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 55°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a fresh breeze of 24 mph from the south-west.

55
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
58
% chance of some rain
<2
mm of rainfall expected
55
°F wind chill
24
mph wind from SW

Portsmouth weather for Wednesday 25th March 2026

Expect sunshine and showers in Portsmouth, England with a maximum temperature of 50°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a fresh breeze of 22 mph from the north-west.

50
°F maximum temperature
39
°F minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
29
% chance of some rain
<2
mm of rainfall expected
43
°F wind chill
22
mph wind from NW

Portsmouth weather for Thursday 26th March 2026

Expect broken clouds in Portsmouth, England with a maximum temperature of 50°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-west.

50
°F maximum temperature
37
°F minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
45
°F wind chill
14
mph wind from NW

Portsmouth weather for Friday 27th March 2026

Expect mostly cloudy with light rain in Portsmouth, England with a maximum temperature of 54°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 14 mph from the north-west.