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

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Cardiff Weather

7-day weather forecast

Current Weather

Cardiff

51.48°N, -3.18°E

Last updated

Sep 21, 2026, 9:36 PM

17°
17°

Mostly cloudy

High: 17°Low: 17°
08:5621:15
Wind9-15km/h
Humidity92%
Visibility10,000 m
UV Index0
Daily Forecast

Today

Sep 21

17°/17°
11-19km/h

Tue

Sep 22

12°/21°
13-20km/h

Wed

Sep 23

11°/20°
11-28km/h

Thu

Sep 24

8°/18°
15-22km/h

Fri

Sep 25

9°/21°
11-19km/h

Sat

Sep 26

10°/19°
17-26km/h

Sun

Sep 27

11°/18°
13-30km/h
Hourly Forecast
21 Mon00:008°
7-13km/h
90%
01:007°
7-13km/h
93%
02:007°
6-11km/h
95%
03:0014°
2-7km/h
75%
04:0012°
2-9km/h
79%
05:0011°
4-9km/h
82%
06:009°
6-11km/h
86%
07:009°
6-11km/h
86%
08:0010°
4-9km/h
87%
09:0010°
4-9km/h
87%
10:0012°
2-9km/h
81%
UV 1
11:0014°
2-7km/h
75%
UV 2
12:0016°
2-7km/h
69%
UV 3
13:0018°
4-9km/h
68%
UV 4
14:0019°
6-11km/h
68%
UV 4
15:0020°
9-15km/h
71%
16:0021°
9-15km/h
70%
UV 1
17:0021°
7-13km/h
68%
UV 3
18:0022°
7-13km/h
67%
UV 4
19:0021°
11-19km/h
77%
UV 3
20:0019°
9-15km/h
83%
UV 1
21:0018°
7-13km/h
89%
● 22:0017°
9-15km/h
92%
23:0017°
11-19km/h
94%
22 Tue00:0016°
13-20km/h
97%
01:0015°
11-19km/h
98%
5,000 m
02:0013°
11-17km/h
99%
1,000 m
03:0012°
9-15km/h
100%
04:0012°
7-13km/h
100%
1,000 m
05:0012°
7-13km/h
100%
1,000 m
06:0012°
6-11km/h
100%
07:0012°
4-9km/h
100%
1,000 m
08:0013°
2-9km/h
100%
1,000 m
09:0013°
2-7km/h
100%
10:0014°
2-7km/h
98%
5,000 m
11:0014°
2-7km/h
96%
UV 1
12:0015°
2-7km/h
94%
UV 1
13:0016°
2-9km/h
88%
UV 3
14:0018°
4-9km/h
83%
UV 4
15:0019°
6-11km/h
77%
UV 6
16:0020°
6-11km/h
76%
UV 5
17:0020°
4-9km/h
74%
UV 5
18:0021°
4-9km/h
73%
UV 4
19:0020°
4-9km/h
74%
UV 3
20:0020°
6-11km/h
75%
UV 1
21:0019°
6-11km/h
76%
22:0018°
6-11km/h
82%
23:0016°
6-13km/h
89%
23 Wed00:0015°
7-13km/h
95%
01:0014°
6-11km/h
97%
02:0014°
4-9km/h
98%
5,000 m
03:0013°
0.2-0.5mm
2-7km/h
100%
7,500 m
04:0017°
4-9km/h
87%
05:0017°
4-9km/h
88%
06:0017°
6-11km/h
84%
07:0017°
6-11km/h
84%
08:0017°
7-13km/h
83%
09:0017°
7-13km/h
83%
10:0017°
9-19km/h
82%
11:0017°
9-22km/h
82%
12:0017°
11-28km/h
81%
13:0018°
11-28km/h
74%
14:0019°
13-26km/h
67%
15:0020°
0.3mm
17-26km/h
60%
16:0020°
17-26km/h
58%
17:0019°
17-28km/h
57%
18:0019°
19-28km/h
55%
19:0017°
15-26km/h
60%
20:0016°
13-24km/h
64%
21:0014°
11-22km/h
69%
22:0013°
9-19km/h
73%
23:0011°
9-17km/h
76%
24 Thu00:0010°
7-13km/h
80%
01:0010°
6-11km/h
83%
02:009°
6-11km/h
86%
03:009°
4-9km/h
89%
04:009°
4-9km/h
90%
05:009°
6-11km/h
90%
06:009°
6-11km/h
91%
07:009°
6-11km/h
91%
08:008°
7-13km/h
91%
09:008°
7-13km/h
91%
10:0010°
9-17km/h
83%
11:0011°
11-19km/h
75%
12:0013°
15-22km/h
67%
13:0014°
13-20km/h
62%
14:0015°
11-19km/h
58%
15:0016°
9-17km/h
53%
16:0017°
9-15km/h
50%
17:0017°
7-15km/h
46%
18:0018°
7-13km/h
43%
19:0017°
6-11km/h
50%
20:0015°
4-11km/h
58%
21:0014°
4-9km/h
65%
22:0013°
4-9km/h
71%
23:0012°
2-7km/h
77%
25 Fri00:0011°
2-7km/h
83%
01:0011°
2-7km/h
85%
02:0010°
2-7km/h
87%
03:0010°
2-7km/h
89%
04:0010°
2-7km/h
90%
05:009°
2-7km/h
90%
06:009°
2-7km/h
91%
07:009°
4-9km/h
92%
08:009°
4-9km/h
92%
09:009°
6-11km/h
93%
10:0011°
7-13km/h
88%
11:0012°
9-17km/h
83%
12:0014°
11-19km/h
78%
13:0016°
11-19km/h
70%
14:0018°
11-19km/h
61%
15:0020°
11-19km/h
53%
16:0020°
11-19km/h
51%
17:0021°
11-19km/h
50%
18:0021°
11-19km/h
48%
19:0019°
11-19km/h
56%
20:0018°
11-19km/h
65%
21:0016°
11-19km/h
73%
22:0015°
7-15km/h
78%
23:0014°
6-11km/h
84%
26 Sat00:0013°
2-7km/h
89%
01:0013°
2-7km/h
90%
02:0012°
2-7km/h
90%
03:0012°
2-7km/h
91%
04:0012°
2-7km/h
91%
05:0011°
2-7km/h
91%
06:0011°
2-7km/h
91%
07:0011°
4-9km/h
91%
08:0010°
4-9km/h
91%
09:0010°
6-11km/h
91%
10:0012°
6-11km/h
84%
11:0013°
6-11km/h
77%
12:0015°
6-11km/h
70%
13:0016°
6-11km/h
67%
14:0018°
6-13km/h
65%
15:0019°
7-13km/h
62%
16:0019°
7-17km/h
59%
17:0019°
11-22km/h
56%
18:0019°
17-26km/h
53%
19:0018°
15-26km/h
62%
20:0016°
15-24km/h
70%
21:0015°
0.1mm
13-24km/h
79%
22:0014°
13-24km/h
84%
23:0013°
11-26km/h
90%
27 Sun00:0012°
11-26km/h
95%
01:0012°
9-22km/h
95%
02:0011°
9-17km/h
94%
03:0011°
7-13km/h
94%
04:0011°
9-19km/h
93%
05:0012°
9-22km/h
91%
06:0012°
11-28km/h
90%
07:0012°
11-28km/h
91%
08:0013°
13-30km/h
92%
09:0013°
13-30km/h
93%
10:0014°
15-30km/h
88%
11:0015°
17-28km/h
84%
12:0016°
19-28km/h
79%
13:0017°
19-28km/h
75%
14:0017°
17-26km/h
71%
15:0018°
0.3mm
17-26km/h
67%
16:0018°
17-26km/h
66%
17:0018°
17-28km/h
66%
18:0018°
19-28km/h
65%
19:0017°
15-22km/h
74%
20:0015°
11-19km/h
82%
21:0014°
0.1mm
7-13km/h
91%
22:0014°
6-11km/h
92%
23:0013°
4-9km/h
92%
Hour by Hour
km/h
%
<9km
UV
00:00
8°
7-13km/h
90%
01:00
7°
7-13km/h
93%
02:00
7°
6-11km/h
95%
03:00
14°
2-7km/h
75%
04:00
12°
2-9km/h
79%
05:00
11°
4-9km/h
82%
06:00
9°
6-11km/h
86%
07:00
9°
6-11km/h
86%
08:00
10°
4-9km/h
87%
09:00
10°
4-9km/h
87%
10:00
12°
2-9km/h
81%
UV 1
11:00
14°
2-7km/h
75%
UV 2
12:00
16°
2-7km/h
69%
UV 3
13:00
18°
4-9km/h
68%
UV 4
14:00
19°
6-11km/h
68%
UV 4
15:00
20°
9-15km/h
71%
16:00
21°
9-15km/h
70%
UV 1
17:00
21°
7-13km/h
68%
UV 3
18:00
22°
7-13km/h
67%
UV 4
19:00
21°
11-19km/h
77%
UV 3
20:00
19°
9-15km/h
83%
UV 1
21:00
18°
7-13km/h
89%
22:00
Current
17°
9-15km/h
92%
23:00
17°
11-19km/h
94%

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

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

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