Current conditions in Portsmouth: 20°C, with a high of 20°C and a low of 14°C today.

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Portsmouth Weather

7-day weather forecast

Current Weather

Portsmouth

50.80°N, -1.09°E

Last updated

Oct 13, 2026, 4:03 PM

20°
20°

Partly cloudy

High: 20°Low: 14°
09:2320:17
Wind20-37km/h
Humidity47%
Visibility10,000 m
UV Index4
Daily Forecast

Today

Oct 13

14°/20°
20-37km/h

Wed

Oct 14

7°/18°
17-33km/h

Thu

Oct 15

13°/19°
28-43km/h

Fri

Oct 16

10°/17°
31-46km/h

Sat

Oct 17

7°/15°
33-48km/h

Sun

Oct 18

6°/15°
33-48km/h

Mon

Oct 19

6°/14°
22-37km/h
Hourly Forecast
13 Tue00:0016°
0.1-0.8mm
13-31km/h
99%
01:0016°
13-31km/h
99%
4,000 m
02:0016°
0.1mm
13-31km/h
100%
4,000 m
03:0017°
22-31km/h
95%
04:0017°
0.1mm
22-33km/h
96%
05:0017°
0.1mm
22-35km/h
98%
06:0017°
0.1-0.6mm
22-37km/h
99%
07:0017°
22-39km/h
98%
7,000 m
08:0016°
22-39km/h
98%
09:0016°
22-41km/h
97%
10:0016°
22-43km/h
96%
11:0017°
0.1mm
22-43km/h
95%
12:0017°
0.1-0.2mm
22-44km/h
94%
13:0018°
20-43km/h
80%
UV 2
14:0019°
20-41km/h
65%
UV 3
15:0020°
22-39km/h
51%
UV 5
● 16:0020°
20-37km/h
47%
UV 4
17:0020°
20-37km/h
43%
UV 4
18:0020°
19-35km/h
39%
UV 3
19:0019°
19-33km/h
45%
UV 2
20:0017°
17-33km/h
50%
UV 1
21:0016°
17-31km/h
56%
22:0015°
17-31km/h
61%
23:0014°
17-33km/h
66%
14 Wed00:0013°
17-33km/h
71%
01:0012°
13-26km/h
78%
02:0011°
7-17km/h
84%
03:0010°
4-9km/h
91%
04:0010°
4-11km/h
93%
05:009°
6-15km/h
94%
06:009°
6-17km/h
96%
7,500 m
07:008°
4-13km/h
97%
8,000 m
08:008°
4-11km/h
98%
5,000 m
09:007°
2-7km/h
99%
5,000 m
10:0011°
4-9km/h
77%
11:0013°
6-11km/h
74%
12:0014°
7-13km/h
72%
13:0015°
11-19km/h
70%
14:0017°
17-24km/h
68%
15:0018°
20-30km/h
66%
16:0018°
20-30km/h
67%
17:0017°
22-31km/h
69%
18:0017°
22-31km/h
70%
19:0016°
22-31km/h
72%
20:0014°
20-30km/h
73%
21:0013°
20-30km/h
75%
22:0013°
20-30km/h
73%
23:0013°
20-30km/h
72%
15 Thu00:0013°
20-30km/h
70%
01:0013°
20-31km/h
71%
02:0014°
20-31km/h
73%
03:0014°
20-33km/h
74%
04:0014°
20-33km/h
76%
05:0014°
19-31km/h
79%
06:0014°
22-37km/h
81%
07:0014°
24-39km/h
82%
08:0015°
26-41km/h
84%
09:0015°
28-43km/h
85%
10:0016°
28-43km/h
86%
11:0016°
28-41km/h
86%
12:0017°
28-41km/h
87%
13:0018°
28-41km/h
86%
14:0018°
28-39km/h
86%
15:0019°
28-39km/h
85%
16:0019°
26-39km/h
85%
17:0018°
24-37km/h
84%
18:0018°
22-37km/h
84%
19:0018°
20-35km/h
84%
20:0017°
19-33km/h
85%
21:0017°
17-31km/h
85%
22:0017°
0.1mm
17-31km/h
87%
23:0017°
0.1mm
19-30km/h
88%
16 Fri00:0017°
0.1mm
19-30km/h
90%
01:0016°
19-30km/h
89%
02:0016°
17-31km/h
89%
03:0015°
17-31km/h
88%
04:0015°
17-31km/h
88%
05:0016°
19-33km/h
88%
06:0016°
20-33km/h
88%
07:0015°
0.1mm
19-35km/h
83%
08:0013°
0.1mm
22-39km/h
78%
09:0012°
0.1mm
28-41km/h
73%
10:0012°
30-43km/h
73%
11:0013°
30-44km/h
72%
12:0013°
31-46km/h
72%
13:0014°
30-43km/h
66%
14:0015°
28-41km/h
59%
15:0016°
26-37km/h
53%
16:0016°
26-37km/h
52%
17:0016°
24-35km/h
50%
18:0016°
24-35km/h
49%
19:0014°
24-35km/h
51%
20:0013°
24-35km/h
53%
21:0011°
24-35km/h
55%
22:0011°
26-37km/h
59%
23:0010°
26-39km/h
62%
17 Sat00:0010°
28-41km/h
66%
01:009°
28-41km/h
69%
02:009°
28-41km/h
72%
03:008°
28-41km/h
75%
04:008°
26-41km/h
76%
05:007°
26-41km/h
77%
06:007°
24-41km/h
78%
07:007°
24-43km/h
79%
08:007°
26-43km/h
81%
09:007°
26-44km/h
82%
10:008°
28-46km/h
79%
11:0010°
31-46km/h
76%
12:0011°
33-48km/h
73%
13:0012°
33-48km/h
65%
14:0013°
31-46km/h
58%
15:0014°
31-46km/h
50%
16:0014°
31-46km/h
48%
17:0015°
30-44km/h
46%
18:0015°
30-44km/h
44%
19:0013°
28-43km/h
47%
20:0012°
28-39km/h
50%
21:0010°
26-37km/h
53%
22:009°
26-39km/h
57%
23:009°
26-41km/h
60%
18 Sun00:008°
26-43km/h
64%
01:008°
28-44km/h
69%
02:007°
31-46km/h
75%
03:007°
33-48km/h
80%
04:007°
33-48km/h
80%
05:007°
31-46km/h
81%
06:007°
31-46km/h
81%
07:007°
31-46km/h
80%
08:006°
31-48km/h
80%
09:006°
31-48km/h
79%
10:007°
31-46km/h
77%
11:009°
30-46km/h
74%
12:0010°
30-44km/h
72%
13:0011°
28-41km/h
68%
14:0013°
24-35km/h
63%
15:0014°
22-31km/h
59%
16:0014°
22-31km/h
58%
17:0015°
22-31km/h
56%
18:0015°
22-31km/h
55%
19:0014°
24-33km/h
56%
20:0014°
24-35km/h
58%
21:0013°
26-37km/h
59%
22:0012°
24-35km/h
61%
23:0011°
24-35km/h
62%
19 Mon00:0010°
22-33km/h
64%
01:009°
22-35km/h
68%
02:009°
22-35km/h
71%
03:008°
22-37km/h
75%
04:008°
24-37km/h
75%
05:007°
24-37km/h
76%
06:007°
26-37km/h
76%
07:007°
26-37km/h
77%
08:006°
24-37km/h
79%
09:006°
24-37km/h
80%
10:007°
24-37km/h
77%
11:009°
24-35km/h
75%
12:0010°
24-35km/h
72%
13:0011°
20-30km/h
67%
14:0013°
17-26km/h
63%
15:0014°
13-20km/h
58%
16:0014°
13-20km/h
56%
17:0014°
13-20km/h
55%
18:0014°
13-20km/h
53%
19:0013°
15-22km/h
56%
20:0012°
17-26km/h
58%
21:0011°
19-28km/h
61%
22:0010°
0.2mm
19-30km/h
62%
23:0010°
0.2mm
20-30km/h
63%
Hour by Hour
km/h
%
<9km
UV
00:00
16°
0.1-0.8mm
13-31km/h
99%
01:00
16°
13-31km/h
99%
4,000 m
02:00
16°
0.1mm
13-31km/h
100%
4,000 m
03:00
17°
22-31km/h
95%
04:00
17°
0.1mm
22-33km/h
96%
05:00
17°
0.1mm
22-35km/h
98%
06:00
17°
0.1-0.6mm
22-37km/h
99%
07:00
17°
22-39km/h
98%
7,000 m
08:00
16°
22-39km/h
98%
09:00
16°
22-41km/h
97%
10:00
16°
22-43km/h
96%
11:00
17°
0.1mm
22-43km/h
95%
12:00
17°
0.1-0.2mm
22-44km/h
94%
13:00
18°
20-43km/h
80%
UV 2
14:00
19°
20-41km/h
65%
UV 3
15:00
20°
22-39km/h
51%
UV 5
16:00
Current
20°
20-37km/h
47%
UV 4
17:00
20°
20-37km/h
43%
UV 4
18:00
20°
19-35km/h
39%
UV 3
19:00
19°
19-33km/h
45%
UV 2
20:00
17°
17-33km/h
50%
UV 1
21:00
16°
17-31km/h
56%
22:00
15°
17-31km/h
61%
23:00
14°
17-33km/h
66%

Latest Model Run: 2026-10-13 00:00 UTC

Last updated: Oct 13, 2026, 4:03 PM

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