Current conditions in Portsmouth: 18°C, with a high of 18°C and a low of 13°C today.

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Portsmouth Weather

7-day weather forecast

Current Weather

Portsmouth

50.80°N, -1.09°E

Last updated

Oct 9, 2026, 4:04 PM

18°
17°

Overcast

High: 18°Low: 13°
09:1620:26
Wind30-48km/h
Humidity77%
Visibility10,000 m
UV Index2
Daily Forecast

Today

Oct 9

13°/18°
30-48km/h

Sat

Oct 10

10°/14°
31-46km/h

Sun

Oct 11

7°/14°
24-35km/h

Mon

Oct 12

12°/20°
28-39km/h

Tue

Oct 13

13°/19°
31-46km/h

Wed

Oct 14

11°/18°
31-46km/h

Thu

Oct 15

11°/16°
44-59km/h
Hourly Forecast
9 Fri00:0012°
11-30km/h
61%
01:0012°
0.1mm
13-35km/h
71%
02:0013°
0.1mm
17-39km/h
82%
03:0014°
37-52km/h
87%
04:0014°
0.1mm
33-52km/h
88%
05:0015°
0.1mm
30-50km/h
89%
06:0015°
0.1-0.6mm
26-50km/h
90%
07:0015°
0.1mm
24-48km/h
90%
08:0016°
0.1mm
24-44km/h
89%
09:0016°
0.1-0.6mm
22-43km/h
89%
10:0016°
0.1mm
22-41km/h
85%
UV 1
11:0017°
0.1mm
22-39km/h
82%
UV 1
12:0017°
0.1-0.6mm
22-37km/h
78%
UV 2
13:0017°
0.1mm
24-41km/h
78%
UV 2
14:0018°
0.1mm
28-46km/h
78%
UV 2
15:0018°
0.1-1.3mm
30-50km/h
78%
UV 2
● 16:0018°
30-48km/h
77%
UV 2
17:0018°
30-48km/h
76%
UV 2
18:0018°
30-46km/h
75%
UV 2
19:0017°
26-44km/h
73%
UV 1
20:0016°
24-43km/h
71%
UV 1
21:0015°
22-41km/h
69%
22:0014°
20-39km/h
72%
23:0013°
19-35km/h
75%
10 Sat00:0012°
17-33km/h
78%
01:0012°
17-33km/h
76%
02:0011°
17-35km/h
73%
03:0011°
17-35km/h
71%
04:0011°
17-33km/h
73%
05:0010°
15-33km/h
74%
06:0010°
15-31km/h
76%
07:0010°
17-33km/h
78%
08:0010°
17-37km/h
79%
09:0010°
19-39km/h
81%
10:0011°
20-39km/h
76%
UV 1
11:0011°
22-39km/h
71%
UV 2
12:0012°
24-39km/h
66%
UV 3
13:0013°
24-39km/h
62%
UV 3
14:0013°
24-39km/h
57%
UV 2
15:0014°
0.1-0.7mm
24-39km/h
53%
UV 2
16:0013°
31-46km/h
58%
17:0013°
30-44km/h
58%
18:0013°
30-44km/h
59%
19:0013°
30-43km/h
60%
20:0012°
28-43km/h
62%
21:0012°
28-41km/h
63%
22:0011°
26-39km/h
65%
23:0010°
26-37km/h
66%
11 Sun00:009°
24-35km/h
68%
01:009°
22-33km/h
68%
02:008°
20-30km/h
69%
03:008°
19-28km/h
69%
04:009°
19-28km/h
69%
05:009°
20-30km/h
70%
06:007°
17-26km/h
73%
07:007°
13-22km/h
72%
08:008°
11-17km/h
72%
09:008°
7-13km/h
71%
10:009°
4-7km/h
69%
11:0011°
0-4km/h
68%
12:0012°
0-4km/h
66%
13:0013°
0.8mm
0-4km/h
72%
14:0013°
0.8mm
6-9km/h
79%
15:0014°
0.8mm
11-19km/h
85%
16:0013°
0.9mm
13-22km/h
84%
17:0012°
0.9mm
17-24km/h
83%
18:0011°
0.9mm
19-28km/h
82%
19:0011°
0.3mm
17-28km/h
82%
20:0011°
0.3mm
17-26km/h
83%
21:0011°
0.3mm
17-26km/h
83%
22:0011°
20-30km/h
85%
23:0012°
24-35km/h
86%
12 Mon00:0012°
28-39km/h
88%
01:0012°
0.3mm
26-37km/h
88%
02:0013°
0.3mm
24-35km/h
89%
03:0013°
0.3mm
22-33km/h
89%
04:0014°
22-33km/h
90%
05:0014°
22-33km/h
91%
06:0015°
22-33km/h
92%
07:0015°
20-31km/h
91%
08:0015°
0.3mm
19-28km/h
90%
09:0015°
0.3mm
17-26km/h
89%
10:0016°
19-28km/h
89%
11:0017°
20-30km/h
89%
12:0018°
22-31km/h
89%
13:0019°
22-33km/h
88%
14:0019°
0.1mm
24-33km/h
86%
15:0020°
0.1mm
24-35km/h
85%
16:0019°
22-33km/h
87%
17:0019°
20-30km/h
90%
18:0018°
19-28km/h
92%
19:0018°
0.2mm
20-30km/h
94%
20:0018°
0.2mm
20-31km/h
96%
21:0018°
0.2mm
22-33km/h
98%
22:0018°
20-35km/h
98%
23:0018°
20-37km/h
97%
13 Tue00:0018°
22-39km/h
97%
01:0018°
22-37km/h
96%
02:0018°
20-37km/h
96%
03:0018°
20-35km/h
95%
04:0018°
22-37km/h
96%
05:0018°
24-39km/h
96%
06:0018°
26-41km/h
97%
07:0018°
28-43km/h
95%
08:0018°
30-44km/h
93%
09:0018°
31-46km/h
91%
10:0018°
31-46km/h
91%
11:0018°
30-46km/h
91%
12:0018°
30-46km/h
91%
13:0018°
24-43km/h
89%
14:0017°
22-41km/h
88%
15:0017°
0.2mm
26-37km/h
86%
16:0018°
24-35km/h
78%
17:0018°
24-35km/h
71%
18:0019°
22-33km/h
63%
19:0017°
20-31km/h
65%
20:0016°
19-28km/h
67%
21:0014°
17-26km/h
69%
22:0013°
17-24km/h
72%
23:0013°
15-24km/h
74%
14 Wed00:0012°
15-22km/h
77%
01:0012°
11-19km/h
78%
02:0012°
9-15km/h
79%
03:0012°
6-11km/h
80%
04:0012°
6-11km/h
79%
05:0011°
6-13km/h
79%
06:0011°
7-13km/h
78%
07:0011°
9-15km/h
78%
08:0011°
11-19km/h
78%
09:0011°
13-20km/h
78%
10:0013°
17-26km/h
76%
11:0014°
20-30km/h
73%
12:0016°
24-35km/h
71%
13:0017°
26-39km/h
71%
14:0017°
28-41km/h
71%
15:0018°
30-44km/h
71%
16:0017°
30-44km/h
72%
17:0017°
30-44km/h
72%
18:0016°
30-44km/h
73%
19:0016°
30-44km/h
75%
20:0015°
30-44km/h
76%
21:0015°
30-44km/h
78%
22:0015°
31-46km/h
79%
23:0015°
31-46km/h
80%
15 Thu00:0015°
33-48km/h
81%
01:0015°
35-50km/h
82%
02:0015°
35-50km/h
83%
03:0015°
37-52km/h
84%
04:0015°
39-54km/h
86%
05:0016°
0.5mm
43-57km/h
89%
06:0016°
0.5mm
44-59km/h
91%
07:0015°
1.2mm
35-54km/h
91%
08:0014°
1.2mm
28-46km/h
90%
09:0013°
1.3mm
24-41km/h
90%
10:0013°
26-43km/h
87%
11:0013°
28-44km/h
84%
12:0013°
31-46km/h
81%
13:0013°
30-44km/h
72%
14:0014°
30-41km/h
63%
15:0014°
28-39km/h
54%
16:0014°
26-37km/h
53%
17:0015°
24-35km/h
52%
18:0015°
22-33km/h
51%
19:0014°
22-31km/h
54%
20:0012°
20-31km/h
58%
21:0011°
20-30km/h
61%
22:0011°
20-30km/h
62%
23:0011°
19-28km/h
64%
Hour by Hour
km/h
%
<9km
UV
00:00
12°
11-30km/h
61%
01:00
12°
0.1mm
13-35km/h
71%
02:00
13°
0.1mm
17-39km/h
82%
03:00
14°
37-52km/h
87%
04:00
14°
0.1mm
33-52km/h
88%
05:00
15°
0.1mm
30-50km/h
89%
06:00
15°
0.1-0.6mm
26-50km/h
90%
07:00
15°
0.1mm
24-48km/h
90%
08:00
16°
0.1mm
24-44km/h
89%
09:00
16°
0.1-0.6mm
22-43km/h
89%
10:00
16°
0.1mm
22-41km/h
85%
UV 1
11:00
17°
0.1mm
22-39km/h
82%
UV 1
12:00
17°
0.1-0.6mm
22-37km/h
78%
UV 2
13:00
17°
0.1mm
24-41km/h
78%
UV 2
14:00
18°
0.1mm
28-46km/h
78%
UV 2
15:00
18°
0.1-1.3mm
30-50km/h
78%
UV 2
16:00
Current
18°
30-48km/h
77%
UV 2
17:00
18°
30-48km/h
76%
UV 2
18:00
18°
30-46km/h
75%
UV 2
19:00
17°
26-44km/h
73%
UV 1
20:00
16°
24-43km/h
71%
UV 1
21:00
15°
22-41km/h
69%
22:00
14°
20-39km/h
72%
23:00
13°
19-35km/h
75%

Latest Model Run: 2026-10-09 00:00 UTC

Last updated: Oct 9, 2026, 4:04 PM

Frequently asked questions