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Weather Cardiff
Wales · United Kingdom
Mon, 18/05
09:45
Weather Cardiff
now
9°
40
km/h
90 Min. Weather
light rain possible
05:16
21:02
10:00
10
°
60 %
11:00
11
°
40 %
12:00
12
°
40 %
13:00
13
°
40 %
14:00
13
°
50 %
15:00
13
°
50 %
16:00
13
°
40 %
17:00
13
°
60 %
18:00
12
°
40 %
19:00
12
°
40 %
20:00
11
°
60 %
21:00
11
°
80 %
22:00
11
°
90 %
23:00
11
°
90 %
00:00
11
°
90 %
01:00
11
°
90 %
02:00
12
°
80 %
03:00
12
°
70 %
04:00
13
°
60 %
05:00
13
°
60 %
06:00
13
°
40 %
07:00
13
°
40 %
08:00
13
°
40 %
09:00
14
°
50 %
10:00
14
°
60 %
11:00
15
°
60 %
12:00
15
°
70 %
13:00
15
°
60 %
14:00
15
°
50 %
15:00
16
°
40 %
16:00
16
°
30 %
17:00
15
°
30 %
18:00
15
°
50 %
19:00
14
°
50 %
20:00
14
°
30 %
21:00
13
°
30 %
22:00
13
°
30 %
23:00
13
°
30 %
00:00
13
°
30 %
01:00
12
°
40 %
02:00
12
°
50 %
03:00
12
°
40 %
04:00
12
°
40 %
05:00
12
°
50 %
06:00
12
°
50 %
07:00
12
°
50 %
08:00
13
°
50 %
09:00
14
°
40 %
10:00
14
°
30 %
A wet start to the week
WeatherRadar
Forecast
Map
Morning
9
°
80 %
Afternoon
13
°
70 %
Evening
11
°
90 %
Night
11
°
90 %
Morning
14
°
70 %
Afternoon
16
°
60 %
Evening
13
°
30 %
Night
12
°
50 %
Morning
14
°
60 %
Afternoon
16
°
20 %
Evening
13
°
20 %
Night
12
°
20 %
Morning
14
°
20 %
Afternoon
20
°
20 %
Evening
16
°
10 %
Night
12
°
20 %
Morning
17
°
10 %
Afternoon
24
°
30 %
Evening
18
°
70 %
Night
14
°
40 %
Morning
16
°
30 %
Afternoon
23
°
70 %
Evening
20
°
70 %
Night
16
°
30 %
Morning
17
°
20 %
Afternoon
24
°
20 %
Evening
19
°
20 %
Night
15
°
40 %
Morning
15
°
40 %
Afternoon
20
°
20 %
Evening
16
°
20 %
Night
13
°
30 %
Morning
14
°
30 %
Afternoon
19
°
20 %
Evening
15
°
20 %
Night
13
°
20 %
Morning
14
°
20 %
Afternoon
19
°
20 %
Evening
15
°
20 %
Night
11
°
20 %
Morning
12
°
20 %
Afternoon
19
°
20 %
Evening
15
°
30 %
Night
11
°
50 %
Morning
12
°
50 %
Afternoon
16
°
40 %
Evening
13
°
40 %
Night
11
°
30 %
Morning
12
°
30 %
Afternoon
16
°
30 %
Evening
13
°
20 %
Night
11
°
20 %
Morning
12
°
20 %
Afternoon
17
°
20 %
Evening
14
°
20 %
Night
12
°
30 %
today
Monday, 18/05
18/05
13
°
8
°
0 h
80 %
tomorrow
Tuesday, 19/05
19/05
16
°
11
°
5 h
70 %
Wednesday
Wednesday, 20/05
20/05
16
°
12
°
2 h
60 %
Thursday
Thursday, 21/05
21/05
20
°
12
°
4 h
20 %
Friday
Friday, 22/05
22/05
24
°
12
°
10 h
50 %
Saturday
Saturday, 23/05
23/05
23
°
14
°
6 h
70 %
Sunday
Sunday, 24/05
24/05
24
°
16
°
9 h
20 %
Monday
Monday, 25/05
25/05
20
°
15
°
8 h
40 %
Tuesday
Tuesday, 26/05
26/05
19
°
13
°
6 h
30 %
Wednesday
Wednesday, 27/05
27/05
19
°
13
°
6 h
20 %
Thursday
Thursday, 28/05
28/05
19
°
11
°
6 h
20 %
Friday
Friday, 29/05
29/05
16
°
11
°
4 h
50 %
Saturday
Saturday, 30/05
30/05
16
°
11
°
4 h
30 %
Sunday
Sunday, 31/05
31/05
17
°
11
°
4 h
20 %
Top News
Your weather - Your shots
An unsettled week across the country
WindRadar
14 day weather
Mo
8
13
Tu
11
16
We
12
16
Th
12
20
Fr
12
24
Sa
14
23
Su
16
24
Mo
15
20
Tu
13
19
We
13
19
Th
11
19
Fr
11
16
Sa
11
16
Su
11
17
Max (°C)
Min (°C)
more
less
Weather Trend Ireland
TemperatureRadar
Pollen
low
7-Day Pollen Forecast
UV Index
today
0
low
6-Day UV Forecast
Coast
today
tomorrow
Water 12° / Air 13°
Waves 1 m /
gusts up to 45 km/h
Newport
High Tide 08:53 / 21:12
Low Tide 03:08 / 15:30
Water 12° / Air 16°
Waves 1.2 m /
gusts up to 55 km/h
Newport
High Tide 09:38 / 21:57
Low Tide 03:56 / 16:16
Regional values
Cardiff, Bute Park (9m)
Mon, 18/05, 09:00
8.8°
-
Cardiff Airport (67m)
Mon, 18/05, 09:20
10°
slight rain
Wind SW 18 km/h
St Athan (49m)
Mon, 18/05, 09:00
10°
slight rain
Wind SW 25 km/h
Gusts 46 km/h
Usk No 2 (25m)
Mon, 18/05, 09:00
9°
-
History
Weather Station Cardiff, Bute Park
Maximum Temperature [°C] 04/21/2026 to 05/18/2026
Precipitation [mm] 04/21/2026 to 05/18/2026
RainfallRadar
Severe weather warnings
United Kingdom
Thunderstorm
Heavy rain
Storm
Ice
3-Day Severe Weather Outlook
Forecast Map
today
Air quality
right now
Fair
6-Day Air Quality Forecast
Astro info
today
09:45 local time
Sun
05:16
21:02
15h 46min
Moon
05:45
none
Waxing crescent
News
Weekend outlook
Mixed conditions with rising warmth
More news
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