Current conditions in Southampton: 20°C, with a high of 20°C and a low of 17°C today.

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Southampton Weather

7-day weather forecast

Current Weather

Southampton

50.90°N, -1.40°E

Last updated

Sep 21, 2026, 9:36 PM

20°
20°

Mostly cloudy

High: 20°Low: 17°
08:4921:07
Wind2-7km/h
Humidity69%
Visibility10,000 m
UV Index0
Daily Forecast

Today

Sep 21

17°/20°
2-7km/h

Tue

Sep 22

14°/23°
6-15km/h

Wed

Sep 23

13°/23°
20-35km/h

Thu

Sep 24

8°/19°
22-37km/h

Fri

Sep 25

10°/20°
13-20km/h

Sat

Sep 26

11°/22°
20-30km/h

Sun

Sep 27

10°/20°
19-35km/h
Hourly Forecast
21 Mon00:0014°
9-19km/h
62%
01:0013°
9-17km/h
68%
02:0012°
7-17km/h
73%
03:0013°
6-11km/h
73%
04:0013°
6-11km/h
73%
05:0012°
6-11km/h
74%
06:0012°
6-11km/h
74%
07:0011°
4-9km/h
79%
08:0010°
4-9km/h
84%
09:009°
2-7km/h
89%
10:0011°
2-7km/h
79%
UV 1
11:0014°
0-4km/h
70%
UV 3
12:0016°
0-4km/h
60%
UV 4
13:0018°
0-4km/h
55%
UV 5
14:0019°
4-6km/h
50%
UV 5
15:0021°
2-7km/h
48%
16:0022°
2-7km/h
48%
UV 1
17:0022°
4-9km/h
47%
UV 3
18:0023°
4-9km/h
47%
UV 4
19:0023°
4-9km/h
53%
UV 3
20:0022°
2-9km/h
56%
UV 1
21:0022°
2-7km/h
60%
● 22:0020°
2-7km/h
69%
23:0017°
2-7km/h
77%
22 Tue00:0015°
2-7km/h
86%
01:0015°
2-9km/h
90%
02:0014°
4-13km/h
95%
03:0014°
6-15km/h
99%
04:0014°
4-13km/h
98%
5,000 m
05:0015°
4-9km/h
97%
8,000 m
06:0015°
2-7km/h
96%
07:0015°
2-7km/h
97%
8,000 m
08:0015°
4-9km/h
99%
5,000 m
09:0015°
4-9km/h
100%
10:0016°
4-9km/h
97%
UV 1
11:0016°
2-7km/h
93%
UV 2
12:0017°
2-7km/h
90%
UV 3
13:0019°
2-7km/h
82%
UV 4
14:0020°
2-7km/h
73%
UV 4
15:0022°
2-7km/h
65%
UV 5
16:0022°
2-9km/h
63%
UV 4
17:0023°
4-9km/h
61%
UV 3
18:0023°
6-11km/h
59%
UV 2
19:0022°
6-11km/h
64%
UV 1
20:0022°
7-13km/h
70%
UV 1
21:0021°
7-13km/h
75%
22:0020°
4-7km/h
77%
23:0019°
0-4km/h
80%
23 Wed00:0018°
0-4km/h
82%
01:0017°
0-4km/h
86%
02:0017°
2-11km/h
89%
03:0016°
0.2-0.5mm
2-11km/h
93%
04:0018°
4-9km/h
78%
05:0018°
6-11km/h
78%
06:0015°
2-7km/h
89%
07:0015°
2-7km/h
89%
08:0014°
2-7km/h
89%
09:0014°
2-7km/h
89%
10:0016°
4-9km/h
82%
11:0017°
7-13km/h
76%
12:0019°
9-15km/h
69%
13:0020°
11-20km/h
64%
14:0022°
17-24km/h
60%
15:0023°
0.4mm
20-30km/h
55%
16:0022°
19-30km/h
56%
17:0021°
17-28km/h
57%
18:0020°
19-28km/h
58%
19:0019°
17-30km/h
62%
20:0017°
17-30km/h
66%
21:0016°
15-31km/h
70%
22:0015°
17-33km/h
70%
23:0013°
20-35km/h
71%
24 Thu00:0012°
22-37km/h
71%
01:0011°
17-28km/h
76%
02:0011°
11-20km/h
81%
03:0010°
6-11km/h
86%
04:0010°
7-17km/h
89%
05:009°
9-20km/h
91%
06:009°
11-26km/h
94%
07:009°
11-24km/h
94%
08:008°
9-20km/h
93%
09:008°
9-19km/h
93%
10:0010°
9-19km/h
84%
11:0011°
11-20km/h
75%
12:0013°
13-20km/h
66%
13:0015°
9-17km/h
59%
14:0016°
7-13km/h
52%
15:0018°
4-9km/h
45%
16:0018°
2-9km/h
43%
17:0019°
2-9km/h
41%
18:0019°
4-9km/h
39%
19:0017°
6-13km/h
53%
20:0014°
9-15km/h
67%
21:0012°
11-19km/h
81%
22:0012°
7-15km/h
82%
23:0011°
4-11km/h
83%
25 Fri00:0011°
2-7km/h
84%
01:0011°
2-7km/h
85%
02:0010°
0-4km/h
85%
03:0010°
0-4km/h
86%
04:0010°
0-4km/h
87%
05:0010°
2-6km/h
87%
06:0010°
4-9km/h
88%
07:0010°
4-9km/h
89%
08:0010°
2-7km/h
89%
09:0010°
2-7km/h
90%
10:0012°
6-11km/h
81%
11:0015°
9-17km/h
73%
12:0017°
13-20km/h
64%
13:0018°
11-19km/h
58%
14:0019°
11-19km/h
52%
15:0020°
9-17km/h
46%
16:0020°
11-19km/h
46%
17:0020°
11-19km/h
45%
18:0020°
13-20km/h
45%
19:0018°
9-17km/h
55%
20:0016°
7-13km/h
64%
21:0014°
4-9km/h
74%
22:0013°
4-9km/h
78%
23:0013°
2-7km/h
83%
26 Sat00:0012°
2-7km/h
87%
01:0012°
2-7km/h
87%
02:0011°
2-7km/h
86%
03:0011°
2-7km/h
86%
04:0011°
2-7km/h
86%
05:0011°
2-7km/h
87%
06:0011°
2-7km/h
87%
07:0011°
2-7km/h
89%
08:0011°
2-7km/h
90%
09:0011°
2-7km/h
92%
10:0014°
6-13km/h
85%
11:0016°
11-19km/h
77%
12:0019°
15-24km/h
70%
13:0020°
15-26km/h
62%
14:0021°
19-28km/h
54%
15:0022°
20-30km/h
46%
16:0022°
20-30km/h
45%
17:0021°
20-30km/h
44%
18:0021°
20-30km/h
43%
19:0019°
17-26km/h
55%
20:0018°
15-24km/h
67%
21:0016°
11-20km/h
79%
22:0015°
9-22km/h
80%
23:0015°
9-22km/h
80%
27 Sun00:0014°
11-24km/h
81%
01:0013°
13-28km/h
85%
02:0013°
17-31km/h
89%
03:0012°
19-35km/h
93%
04:0011°
15-30km/h
93%
05:0011°
13-24km/h
93%
06:0010°
9-19km/h
93%
07:0010°
7-15km/h
93%
08:0010°
6-13km/h
94%
09:0010°
4-9km/h
94%
10:0012°
6-11km/h
86%
11:0014°
7-13km/h
79%
12:0016°
9-15km/h
71%
13:0017°
9-15km/h
65%
14:0019°
7-13km/h
58%
15:0020°
7-13km/h
52%
16:0020°
11-17km/h
52%
17:0020°
13-22km/h
52%
18:0020°
17-26km/h
52%
19:0019°
15-24km/h
59%
20:0017°
13-24km/h
67%
21:0016°
11-22km/h
74%
22:0015°
11-20km/h
80%
23:0014°
9-17km/h
86%
Hour by Hour
km/h
%
<9km
UV
00:00
14°
9-19km/h
62%
01:00
13°
9-17km/h
68%
02:00
12°
7-17km/h
73%
03:00
13°
6-11km/h
73%
04:00
13°
6-11km/h
73%
05:00
12°
6-11km/h
74%
06:00
12°
6-11km/h
74%
07:00
11°
4-9km/h
79%
08:00
10°
4-9km/h
84%
09:00
9°
2-7km/h
89%
10:00
11°
2-7km/h
79%
UV 1
11:00
14°
0-4km/h
70%
UV 3
12:00
16°
0-4km/h
60%
UV 4
13:00
18°
0-4km/h
55%
UV 5
14:00
19°
4-6km/h
50%
UV 5
15:00
21°
2-7km/h
48%
16:00
22°
2-7km/h
48%
UV 1
17:00
22°
4-9km/h
47%
UV 3
18:00
23°
4-9km/h
47%
UV 4
19:00
23°
4-9km/h
53%
UV 3
20:00
22°
2-9km/h
56%
UV 1
21:00
22°
2-7km/h
60%
22:00
Current
20°
2-7km/h
69%
23:00
17°
2-7km/h
77%

Latest Model Run: 2026-09-21 12:00 UTC

Last updated: Sep 21, 2026, 9:36 PM

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