Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 17°C. Select a day from the live weather forecast for Portsmouth, England, UK for more weather parameters.

Monday
6th Oct
17

10

6

3
Tuesday
7th Oct
16

12

3

2
Wednesday
8th Oct
17

10

3

2
Thursday
9th Oct
17

6

7

2
Friday
10th Oct
18

7

8

2

5-day weather forecast updated at 04:03 on Monday 6th October 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 6th October 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

17
°C maximum temperature
10
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
19
kph wind from W

Portsmouth weather for Tuesday 7th October 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 16°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
15
kph wind from SW

Portsmouth weather for Wednesday 8th October 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

17
°C maximum temperature
10
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Portsmouth weather for Thursday 9th October 2025

Expect broken clouds in Portsmouth, England with a maximum temperature of 17°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

17
°C maximum temperature
6
°C minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
17
°C wind chill
11
kph wind from NW

Portsmouth weather for Friday 10th October 2025

Expect scattered clouds in Portsmouth, England with a maximum temperature of 18°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.