Portsmouth (Portsmouth) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 21° Celsius;
Maximum daytime temperature: 21° Celsius;
8 day forecast for Portsmouth
Today (23 April 2025)
| Time |
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
 |
 |
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature |
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Wind direction and speed |
WNW
8
|
NW
8
|
NW
9
|
N
10
|
NNE
10
|
NNE
10
|
NNE
9
|
NE
9
|
NE
8
|
NE
6
|
NE
5
|
NE
4
|
NE
4
|
| Wind gust (mph) |
17
|
17
|
19
|
20
|
19
|
17
|
16
|
15
|
11
|
8
|
8
|
7
|
7
|
| Visibility |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
77%
|
73%
|
73%
|
70%
|
65%
|
64%
|
64%
|
65%
|
72%
|
75%
|
78%
|
81%
|
| UV | 4 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Thursday (24 April 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
11°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
12°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NE
3
|
NE
3
|
NE
4
|
ENE
4
|
E
4
|
SE
5
|
SSE
6
|
SSE
6
|
SSE
7
|
S
7
|
S
7
|
S
6
|
SSW
6
|
SW
4
|
SW
3
|
SW
3
|
S
4
|
| Wind gust (mph) |
6
|
6
|
6
|
6
|
5
|
6
|
6
|
7
|
9
|
9
|
10
|
10
|
10
|
11
|
12
|
11
|
11
|
10
|
9
|
8
|
7
|
6
|
6
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
| Humidity |
82%
|
83%
|
84%
|
84%
|
85%
|
85%
|
86%
|
85%
|
82%
|
77%
|
73%
|
69%
|
67%
|
66%
|
66%
|
67%
|
66%
|
66%
|
67%
|
69%
|
74%
|
77%
|
81%
|
84%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Friday (25 April 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
40%
|
| Temperature (°C) |
11°
|
10°
|
10°
|
9°
|
12°
|
13°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
10°
|
10°
|
8°
|
7°
|
10°
|
11°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
SE
4
|
SE
5
|
ESE
6
|
E
6
|
ESE
10
|
SE
12
|
SE
10
|
ESE
8
|
ESE
6
|
| Wind gust (mph) |
9
|
12
|
14
|
19
|
20
|
21
|
17
|
14
|
14
|
| Visibility (description) |
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
85%
|
86%
|
86%
|
85%
|
72%
|
65%
|
64%
|
67%
|
77%
|
| UV | - | - | - | 1 | 3 | 5 | 2 | 1 | - |
Saturday (26 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
80%
|
50%
|
40%
|
30%
|
20%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
12°
|
13°
|
14°
|
14°
|
12°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
11°
|
12°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
E
5
|
ENE
4
|
NE
4
|
ENE
5
|
SW
7
|
SW
8
|
WSW
9
|
WSW
5
|
| Wind gust (mph) |
11
|
8
|
11
|
12
|
11
|
10
|
9
|
9
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
87%
|
90%
|
86%
|
75%
|
68%
|
70%
|
84%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
Sunday (27 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
 |
|
| Chance of precipitation |
<5%
|
10%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
13°
|
15°
|
16°
|
15°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
11°
|
13°
|
13°
|
13°
|
11°
|
| Wind direction and speed (mph) |
W
4
|
W
4
|
WSW
5
|
SW
8
|
SW
11
|
SW
12
|
SW
9
|
SW
6
|
| Wind gust (mph) |
8
|
8
|
11
|
19
|
21
|
20
|
14
|
8
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
91%
|
91%
|
76%
|
66%
|
65%
|
71%
|
86%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
Monday (28 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
14°
|
17°
|
18°
|
17°
|
14°
|
| Feels like temperature (°C) |
9°
|
8°
|
9°
|
13°
|
15°
|
16°
|
15°
|
13°
|
| Wind direction and speed (mph) |
SW
5
|
SE
5
|
ESE
5
|
SE
8
|
SE
11
|
ESE
11
|
ESE
9
|
ESE
8
|
| Wind gust (mph) |
7
|
7
|
12
|
17
|
18
|
17
|
13
|
11
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
94%
|
92%
|
74%
|
60%
|
54%
|
61%
|
72%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
Tuesday (29 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
16°
|
19°
|
19°
|
18°
|
14°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
15°
|
16°
|
17°
|
16°
|
13°
|
| Wind direction and speed (mph) |
ESE
8
|
ESE
7
|
ESE
7
|
ESE
9
|
SE
11
|
ESE
11
|
ESE
10
|
ESE
8
|
| Wind gust (mph) |
11
|
10
|
13
|
16
|
17
|
16
|
12
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
81%
|
81%
|
67%
|
58%
|
52%
|
60%
|
72%
|
| UV | - | - | 1 | 4 | 5 | 2 | 1 | - |
Wednesday (30 April 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
11°
|
12°
|
16°
|
19°
|
19°
|
18°
|
14°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
15°
|
17°
|
17°
|
16°
|
13°
|
| Wind direction and speed (mph) |
E
7
|
ENE
7
|
ENE
6
|
ESE
9
|
SE
11
|
SE
11
|
SE
10
|
E
8
|
| Wind gust (mph) |
10
|
9
|
11
|
15
|
16
|
16
|
11
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
84%
|
82%
|
68%
|
55%
|
48%
|
58%
|
74%
|
| UV | - | - | 1 | 4 | 5 | 2 | 1 | - |
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WARNING
Flood alerts in force for England
Flood alerts in force for England
London & South East England weather forecast
Headline:
Overnight rain dying out during Wednesday. Brighter later.
Today:
Cloudy and wet to start across eastern areas, drier further west. The rain should ease and become more showery, with cloud breaks developing to reveal some warm brighter spells later. Light winds. Maximum temperature 16 °C.
Tonight:
Mostly cloudy overnight with clear spells across western areas at first. Some light drizzle in places otherwise staying dry with light winds. Minimum temperature 6 °C.
Thursday:
Thursday morning probably starting dull and cloudy. Cloud thinning and breaking to bright or sunny spells in afternoon. Cool and cloudier near some coasts. A fine evening for most. Maximum temperature 18 °C.
Outlook for Friday to Sunday:
Friday bright for many with some sunshine. Some showery rain likely by Saturday morning otherwise bright for some areas. Sunday fine with sunny spells. Temperatures near or above average.
Updated: