Current conditions in Belfast: 18°C, with a high of 18°C and a low of 16°C today.

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Belfast Weather

7-day weather forecast

Current Weather

Belfast

54.60°N, -5.93°E

Last updated

Sep 22, 2026, 9:37 PM

18°
18°

Mostly cloudy (light rain)

High: 18°Low: 16°
09:0821:24
Rain0.1 mm
Wind7-17km/h
Humidity83%
Visibility10,000 m
UV Index0
Daily Forecast

Today

Sep 22

16°/18°
7-17km/h

Wed

Sep 23

11°/16°
11-26km/h

Thu

Sep 24

9°/19°
20-41km/h

Fri

Sep 25

10°/17°
22-39km/h

Sat

Sep 26

9°/18°
22-44km/h

Sun

Sep 27

9°/17°
31-54km/h

Mon

Sep 28

8°/15°
9-20km/h
Hourly Forecast
22 Tue00:0017°
17-30km/h
82%
01:0017°
13-24km/h
84%
02:0016°
9-17km/h
87%
03:0017°
7-17km/h
96%
04:0016°
7-15km/h
97%
05:0015°
7-15km/h
99%
5,000 m
06:0014°
7-13km/h
100%
7,500 m
07:0014°
9-19km/h
100%
1,000 m
08:0014°
9-22km/h
100%
1,000 m
09:0014°
11-28km/h
100%
10:0014°
11-24km/h
96%
UV 1
11:0015°
11-22km/h
92%
UV 1
12:0015°
11-19km/h
88%
UV 2
13:0017°
13-20km/h
81%
UV 3
14:0018°
13-20km/h
73%
UV 4
15:0020°
17-24km/h
66%
16:0020°
17-24km/h
64%
UV 1
17:0021°
15-22km/h
61%
UV 2
18:0021°
15-22km/h
59%
UV 3
19:0020°
9-19km/h
71%
UV 2
20:0019°
9-19km/h
72%
UV 1
21:0019°
9-19km/h
74%
● 22:0018°
0.1mm
7-17km/h
83%
23:0016°
0.1mm
7-15km/h
91%
23 Wed00:0015°
0.1-0.8mm
6-13km/h
100%
01:0015°
0.2mm
2-13km/h
99%
5,000 m
02:0014°
0.2mm
4-15km/h
97%
8,000 m
03:0014°
0.2-1.6mm
9-15km/h
96%
04:0013°
1.8mm
9-15km/h
95%
05:0013°
1.8mm
7-15km/h
94%
06:0012°
1.8-6.3mm
7-15km/h
93%
07:0012°
7-19km/h
90%
08:0011°
9-22km/h
88%
09:0011°
0.6-1.6mm
11-26km/h
85%
10:0011°
11-22km/h
84%
UV 1
11:0012°
9-19km/h
84%
UV 2
12:0012°
9-15km/h
83%
UV 3
13:0013°
11-17km/h
76%
UV 3
14:0014°
11-20km/h
70%
UV 3
15:0015°
13-22km/h
63%
UV 3
16:0015°
11-19km/h
59%
UV 3
17:0016°
9-17km/h
54%
UV 4
18:0016°
7-13km/h
50%
UV 4
19:0016°
6-11km/h
54%
UV 3
20:0015°
2-9km/h
58%
UV 1
21:0015°
2-7km/h
62%
22:0014°
4-11km/h
67%
23:0013°
6-13km/h
73%
24 Thu00:0012°
7-17km/h
78%
01:0012°
9-20km/h
80%
02:0012°
9-22km/h
81%
03:0012°
11-26km/h
83%
04:009°
6-11km/h
91%
05:009°
7-13km/h
92%
06:0010°
9-19km/h
95%
07:0010°
9-22km/h
95%
08:0010°
11-24km/h
94%
09:0010°
11-28km/h
94%
10:0011°
11-28km/h
90%
11:0013°
13-30km/h
85%
12:0014°
13-30km/h
81%
13:0015°
15-31km/h
73%
14:0017°
17-31km/h
66%
15:0018°
20-33km/h
58%
16:0018°
20-35km/h
61%
17:0019°
20-39km/h
65%
18:0019°
20-41km/h
68%
19:0018°
19-37km/h
73%
20:0017°
15-35km/h
79%
21:0016°
13-31km/h
84%
22:0016°
17-33km/h
82%
23:0017°
19-37km/h
79%
25 Fri00:0017°
22-39km/h
77%
01:0016°
0.1mm
17-35km/h
82%
02:0014°
0.1mm
15-31km/h
86%
03:0013°
0.1mm
17-28km/h
91%
04:0013°
15-28km/h
91%
05:0012°
13-30km/h
91%
06:0012°
13-30km/h
91%
07:0011°
11-26km/h
91%
08:0011°
9-20km/h
92%
09:0010°
7-17km/h
92%
10:0011°
9-19km/h
89%
11:0011°
9-19km/h
85%
12:0012°
11-20km/h
82%
13:0013°
11-20km/h
78%
14:0013°
11-19km/h
73%
15:0014°
11-19km/h
69%
16:0014°
11-19km/h
70%
17:0013°
11-19km/h
70%
18:0013°
11-19km/h
71%
19:0012°
0.1mm
11-20km/h
77%
20:0012°
0.1mm
11-22km/h
83%
21:0011°
0.1mm
11-24km/h
89%
22:0011°
13-28km/h
91%
23:0010°
15-31km/h
92%
26 Sat00:0010°
17-35km/h
94%
01:0010°
19-39km/h
94%
02:0010°
20-41km/h
93%
03:0010°
22-44km/h
93%
04:0010°
22-44km/h
94%
05:009°
20-43km/h
94%
06:009°
20-43km/h
95%
07:009°
19-43km/h
94%
08:0010°
19-41km/h
94%
09:0010°
19-41km/h
93%
10:0011°
20-39km/h
88%
11:0013°
20-39km/h
82%
12:0014°
22-37km/h
77%
13:0015°
22-37km/h
73%
14:0016°
22-35km/h
70%
15:0017°
22-35km/h
66%
16:0017°
22-37km/h
66%
17:0018°
22-37km/h
66%
18:0018°
22-39km/h
66%
19:0017°
22-39km/h
69%
20:0016°
22-41km/h
71%
21:0015°
0.2mm
22-41km/h
74%
22:0015°
22-43km/h
77%
23:0014°
24-44km/h
80%
27 Sun00:0014°
24-46km/h
83%
01:0013°
24-44km/h
86%
02:0013°
22-44km/h
88%
03:0012°
22-43km/h
91%
04:0012°
22-41km/h
93%
05:0011°
24-41km/h
94%
06:0011°
24-39km/h
96%
07:0011°
19-35km/h
96%
08:0011°
13-30km/h
96%
09:0011°
9-26km/h
96%
10:0012°
13-30km/h
91%
11:0013°
17-31km/h
87%
12:0014°
20-35km/h
82%
13:0015°
22-39km/h
77%
14:0016°
22-44km/h
73%
15:0017°
24-48km/h
68%
16:0017°
0.3mm
26-50km/h
72%
17:0016°
0.3mm
30-52km/h
75%
18:0016°
0.3mm
31-54km/h
79%
19:0014°
1.6mm
22-44km/h
84%
20:0012°
1.6mm
15-35km/h
88%
21:0010°
1.6mm
9-26km/h
93%
22:009°
9-24km/h
94%
23:009°
9-22km/h
94%
28 Mon00:008°
9-20km/h
95%
01:008°
9-20km/h
95%
02:008°
9-20km/h
96%
03:008°
9-20km/h
96%
04:008°
9-20km/h
96%
05:008°
9-20km/h
96%
06:008°
9-20km/h
96%
07:008°
7-17km/h
95%
08:008°
4-11km/h
95%
09:008°
2-7km/h
94%
10:009°
4-9km/h
92%
11:0010°
4-9km/h
89%
12:0011°
6-11km/h
87%
13:0012°
6-11km/h
82%
14:0013°
7-13km/h
77%
15:0014°
7-13km/h
72%
16:0014°
0.1mm
7-13km/h
70%
17:0015°
0.1mm
7-13km/h
68%
18:0015°
0.1mm
7-13km/h
66%
19:0014°
7-13km/h
71%
20:0012°
7-13km/h
76%
21:0011°
7-13km/h
81%
22:0011°
7-13km/h
83%
23:0011°
6-11km/h
85%
Hour by Hour
km/h
%
<9km
UV
00:00
17°
17-30km/h
82%
01:00
17°
13-24km/h
84%
02:00
16°
9-17km/h
87%
03:00
17°
7-17km/h
96%
04:00
16°
7-15km/h
97%
05:00
15°
7-15km/h
99%
5,000 m
06:00
14°
7-13km/h
100%
7,500 m
07:00
14°
9-19km/h
100%
1,000 m
08:00
14°
9-22km/h
100%
1,000 m
09:00
14°
11-28km/h
100%
10:00
14°
11-24km/h
96%
UV 1
11:00
15°
11-22km/h
92%
UV 1
12:00
15°
11-19km/h
88%
UV 2
13:00
17°
13-20km/h
81%
UV 3
14:00
18°
13-20km/h
73%
UV 4
15:00
20°
17-24km/h
66%
16:00
20°
17-24km/h
64%
UV 1
17:00
21°
15-22km/h
61%
UV 2
18:00
21°
15-22km/h
59%
UV 3
19:00
20°
9-19km/h
71%
UV 2
20:00
19°
9-19km/h
72%
UV 1
21:00
19°
9-19km/h
74%
22:00
Current
18°
0.1mm
7-17km/h
83%
23:00
16°
0.1mm
7-15km/h
91%

Latest Model Run: 2026-09-22 12:00 UTC

Last updated: Sep 22, 2026, 9:37 PM

Frequently asked questions