Cardiff International Airport (Vale of Glamorgan) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Heavy rain.
Sunrise:
Sunset:
M UV
L Pollution
No pollen data.
Next low tide: for
Fontygary Bay (Beach)
7 day forecast for Cardiff International Airport
Today (16 September 2025)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
|
 |
| Chance of precipitation |
50%
|
70%
|
≥95%
|
| Temperature |
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
| Wind direction and speed |
WSW
8
|
SW
8
|
SW
8
|
| Wind gust (mph) |
18
|
19
|
19
|
| Visibility |
VG
|
VG
|
M
|
| Humidity |
86%
|
86%
|
89%
|
| UV | - | - | - |
Wednesday (17 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
90%
|
80%
|
80%
|
70%
|
60%
|
| Temperature (°C) |
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
SSW
7
|
S
8
|
S
9
|
S
9
|
S
9
|
S
10
|
S
11
|
SW
14
|
SW
17
|
SW
18
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
18
|
WSW
17
|
WSW
17
|
WSW
16
|
WSW
15
|
WSW
13
|
WSW
12
|
WSW
12
|
SW
11
|
| Wind gust (mph) |
19
|
21
|
22
|
23
|
26
|
27
|
32
|
33
|
35
|
35
|
35
|
34
|
33
|
32
|
31
|
31
|
29
|
27
|
24
|
26
|
26
|
26
|
25
|
25
|
| Visibility (description) |
P
|
M
|
M
|
M
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
| Humidity |
93%
|
94%
|
94%
|
94%
|
94%
|
94%
|
93%
|
93%
|
93%
|
93%
|
93%
|
93%
|
93%
|
93%
|
93%
|
94%
|
95%
|
95%
|
95%
|
96%
|
95%
|
95%
|
95%
|
94%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Thursday (18 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
 |
|
| Chance of precipitation |
60%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
SW
11
|
SW
10
|
SSW
10
|
SW
10
|
SW
11
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
12
|
SW
11
|
SSW
10
|
SSW
11
|
SSW
11
|
SSW
10
|
SSW
10
|
SSW
9
|
SSW
8
|
| Wind gust (mph) |
24
|
26
|
26
|
27
|
26
|
27
|
27
|
27
|
27
|
27
|
27
|
27
|
29
|
28
|
29
|
28
|
26
|
24
|
23
|
22
|
22
|
21
|
20
|
19
|
| Visibility (description) |
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
94%
|
93%
|
93%
|
92%
|
92%
|
92%
|
91%
|
90%
|
88%
|
86%
|
83%
|
77%
|
76%
|
76%
|
77%
|
78%
|
81%
|
83%
|
84%
|
85%
|
85%
|
86%
|
86%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
40%
|
40%
|
50%
|
50%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
16°
|
16°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
15°
|
| Wind direction and speed (mph) |
SSW
8
|
S
7
|
S
7
|
S
7
|
S
7
|
S
8
|
S
8
|
S
8
|
S
8
|
S
8
|
S
9
|
S
9
|
S
9
|
SSW
8
|
SSW
8
|
SSW
8
|
WSW
8
|
WSW
8
|
WSW
7
|
SW
7
|
WSW
6
|
W
6
|
W
6
|
W
6
|
| Wind gust (mph) |
18
|
18
|
17
|
18
|
19
|
19
|
18
|
18
|
18
|
18
|
18
|
18
|
17
|
17
|
17
|
15
|
15
|
14
|
12
|
11
|
11
|
10
|
10
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
86%
|
87%
|
88%
|
88%
|
87%
|
88%
|
88%
|
89%
|
88%
|
87%
|
86%
|
84%
|
80%
|
78%
|
78%
|
78%
|
79%
|
83%
|
86%
|
88%
|
92%
|
93%
|
93%
|
94%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (20 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
30%
|
30%
|
30%
|
40%
|
50%
|
40%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
16°
|
15°
|
15°
|
14°
|
13°
|
13°
|
12°
|
| Feels like temperature (°C) |
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
10°
|
| Wind direction and speed (mph) |
WNW
5
|
WNW
5
|
NW
5
|
NW
5
|
NW
5
|
NW
6
|
WNW
6
|
WNW
6
|
NW
6
|
N
8
|
N
9
|
NNW
10
|
NNW
11
|
NNE
12
|
N
12
|
NW
12
|
WNW
12
|
NW
11
|
NNW
11
|
NW
11
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
11
|
| Wind gust (mph) |
10
|
10
|
9
|
10
|
11
|
12
|
12
|
13
|
15
|
15
|
16
|
16
|
18
|
19
|
20
|
21
|
22
|
21
|
21
|
20
|
19
|
21
|
20
|
19
|
| Visibility (description) |
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
93%
|
94%
|
94%
|
94%
|
94%
|
93%
|
93%
|
92%
|
89%
|
88%
|
83%
|
81%
|
79%
|
76%
|
75%
|
75%
|
76%
|
77%
|
82%
|
85%
|
85%
|
86%
|
85%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Sunday (21 September 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
40%
|
40%
|
30%
|
30%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
10°
|
12°
|
14°
|
14°
|
13°
|
11°
|
| Feels like temperature (°C) |
10°
|
10°
|
8°
|
8°
|
9°
|
11°
|
11°
|
10°
|
8°
|
| Wind direction and speed (mph) |
NNW
11
|
NNW
11
|
N
12
|
N
12
|
NNE
15
|
NNE
15
|
NNE
15
|
NNE
14
|
N
13
|
| Wind gust (mph) |
21
|
20
|
19
|
24
|
26
|
25
|
24
|
21
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
87%
|
85%
|
84%
|
74%
|
62%
|
57%
|
60%
|
68%
|
| UV | - | - | - | 1 | 2 | 4 | 2 | 1 | - |
Monday (22 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
12°
|
14°
|
14°
|
13°
|
11°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
9°
|
11°
|
11°
|
10°
|
9°
|
| Wind direction and speed (mph) |
NNE
12
|
NNE
12
|
NNE
12
|
NNE
13
|
NE
14
|
NE
14
|
NE
13
|
NE
12
|
| Wind gust (mph) |
17
|
16
|
17
|
19
|
18
|
18
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
70%
|
75%
|
75%
|
65%
|
55%
|
52%
|
58%
|
67%
|
| UV | - | - | 1 | 2 | 4 | 1 | 1 | - |
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WARNING
Flood alerts in force for Wales
Flood alerts in force for Wales
Wales weather forecast
Headline:
Remaining changeable with rain tonight.
This Evening and Tonight:
Cloudy this evening then turning increasingly wet and windy overnight with a band of heavy and persistent rain pushing eastwards. Rain most persistent over the mountains, with flooding possible. Mild overnight. Minimum temperature 11 °C.
Wednesday:
Heavy, persistent rain clearing eastwards through the morning, though remaining cloudy with outbreaks of patchy rain and drizzle throughout the day, turning heavy at times over the hills. Breezy. Maximum temperature 18 °C.
Outlook for Thursday to Saturday:
Remaining changeable with showers or longer spells of rain at times, though brighter interludes are possible. Often breezy. A little milder and more humid by the end of the week.
Updated: