Sun
Apr 28
Stable
~7
l/m2
70%
Mon
Apr 29
Stable
~4
l/m2
66%
Tue
Apr 30
Stable
~5
l/m2
64%
Wed
May 1
Stable
~15
l/m2
85%
Thu
May 2
Stable
~30
l/m2
97%
Fri
May 3
Mostly stable
~1
l/m2
56%
27 Apr will be cool and the weather will be stable, thunderstorms not likely.
The sky will be overcast:
58% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
97% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
78% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% convective clouds (Cumulonimbus)
The highest temperature will reach 9 degrees Celsius, while the the lowest temperature will drop to 7 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1003 mb. Relative humidity will be very high.
Saturday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
16:00
8 °C
4 °C
24 km/h 
28 km/h
1004 mb
86.3%
1,210 m
675 m
Apr, 27 16:00 @ Stable
19:00
8 °C
5 °C
26 km/h
31 km/h
1003 mb
84.9%
1,242 m
682 m
Apr, 27 19:00 @ Stable
22:00
7 °C
3 °C
27 km/h
38 km/h
1004 mb
85.5%
1,233 m
595 m
Apr, 27 22:00 @ Stable
28 Apr will be with moderate temperatures and the weather will be very stable.
There is a 70% probability of moderate rainfall and showers.
The sky will be mostly cloudy:
52% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
68% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
52% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
5% convective clouds (Cumulonimbus)
The highest temperature will reach 12 degrees Celsius, while the the lowest temperature will drop to 5 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1007 mb. Relative humidity will be high.
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
0.6 56%
6 °C
2 °C
27 km/h 
40 km/h
1003 mb
85.6%
1,139 m
561 m
Apr, 28 01:00 @ Stable
04:00
1.6 62%
6 °C
1 °C
27 km/h
38 km/h
1002 mb
85.5%
1,026 m
575 m
Apr, 28 04:00 @ Stable
07:00
3 70%
6 °C
2 °C
21 km/h
33 km/h
1004 mb
81.3%
751 m
732 m
Apr, 28 07:00 @ Stable
10:00
0.2 33%
8 °C
6 °C
15 km/h 
22 km/h
1006 mb
64.6%
881 m
1,033 m
Apr, 28 10:00 @ Very stable
13:00
0.3 29%
11 °C
9 °C
19 km/h 
23 km/h
1008 mb
60.2%
1,200 m
964 m
Apr, 28 13:00 @ Stable
16:00
0.5 26%
100%
11 °C
8 °C
30 km/h
33 km/h
1010 mb
68.9%
1,230 m
961 m
Apr, 28 16:00 @ Stable
19:00
0.6 40%
100%
9 °C
6 °C
25 km/h
32 km/h
1011 mb
70.1%
1,311 m
754 m
Apr, 28 19:00 @ Stable
22:00
8 °C
5 °C
20 km/h 
32 km/h
1013 mb
81.8%
1,234 m
602 m
Apr, 28 22:00 @ Stable
29 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 66% probability of light rainfall and showers.
The sky will be overcast:
84% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
93% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
75% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
11% convective clouds (Cumulonimbus)
The highest temperature will reach 12 degrees Celsius, while the the lowest temperature will drop to 7 degrees Celsius. The wind will be a fresh breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Monday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
7 °C
4 °C
24 km/h
36 km/h
1013 mb
83.4%
1,320 m
458 m
Apr, 29 01:00 @ Stable
04:00
8 °C
4 °C
25 km/h 
41 km/h
1013 mb
84.0%
1,294 m
500 m
Apr, 29 04:00 @ Stable
07:00
8 °C
5 °C
28 km/h
46 km/h
1013 mb
86.1%
1,350 m
713 m
Apr, 29 07:00 @ Stable
10:00
11 °C
7 °C
34 km/h
49 km/h
1013 mb
81.5%
1,483 m
997 m
Apr, 29 10:00 @ Stable
13:00
0.6 59%
82%
11 °C
8 °C
40 km/h
54 km/h
1012 mb
83.5%
1,550 m
1,061 m
Apr, 29 13:00 @ Stable
16:00
1 60%
61%
11 °C
8 °C
40 km/h
59 km/h
1012 mb
83.2%
1,640 m
1,014 m
Apr, 29 16:00 @ Stable
19:00
1.7 66%
41%
11 °C
7 °C
36 km/h
55 km/h
1012 mb
86.6%
1,701 m
813 m
Apr, 29 19:00 @ Stable
22:00
0.7 55%
10 °C
7 °C
37 km/h
57 km/h
1013 mb
88.8%
1,794 m
765 m
Apr, 29 22:00 @ Stable
30 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 64% probability of light rainfall.
The sky will be overcast:
75% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
96% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
77% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 13 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a fresh breeze, fog will form, and the mean air pressure will be 1009 mb. Relative humidity will be very high.
Tuesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
1 53%
11 °C
7 °C
33 km/h
52 km/h
1012 mb
83.3%
1,832 m
712 m
Apr, 30 01:00 @ Stable
04:00
9 °C
6 °C
26 km/h
48 km/h
1011 mb
88.1%
1,838 m
660 m
Apr, 30 04:00 @ Stable
07:00
9 °C
6 °C
32 km/h 
49 km/h
1010 mb
88.1%
1,818 m
677 m
Apr, 30 07:00 @ Stable
10:00
0.3 50%
11 °C
8 °C
30 km/h
47 km/h
1009 mb
83.9%
1,863 m
781 m
Apr, 30 10:00 @ Stable
13:00
0.4 50%
12 °C
9 °C
34 km/h
49 km/h
1008 mb
74.9%
1,870 m
703 m
Apr, 30 13:00 @ Stable
16:00
0.2 39%
12 °C
9 °C
30 km/h
47 km/h
1007 mb
79.7%
1,846 m
562 m
Apr, 30 16:00 @ Mostly stable
19:00
1.3 64%
11 °C
8 °C
25 km/h
48 km/h
1007 mb
87.5%
1,889 m
607 m
Apr, 30 19:00 @ Mostly stable
22:00
1.1 60%
10 °C
7 °C
21 km/h
34 km/h
1008 mb
93.8%
1,783 m
428 m
Apr, 30 22:00 @ Stable
1 May will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 85% probability of moderate rainfall.
The sky will be overcast:
37% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
88% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
69% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
6% convective clouds (Cumulonimbus)
The highest temperature will reach 12 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1009 mb. Relative humidity will be very high.
Wednesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
1.2 63%
9%
10 °C
8 °C
12 km/h
26 km/h
1009 mb
94.1%
1,720 m
465 m
May, 1 01:00 @ Stable
04:00
0.5 57%
18%
10 °C
8 °C
13 km/h
27 km/h
1008 mb
93.7%
1,659 m
381 m
May, 1 04:00 @ Stable
07:00
3.1 75%
6%
9 °C
8 °C
10 km/h
21 km/h
1008 mb
94.9%
1,692 m
419 m
May, 1 07:00 @ Stable
10:00
4.3 81%
4%
9 °C
8 °C
7 km/h
14 km/h
1009 mb
93.1%
1,853 m
329 m
May, 1 10:00 @ Stable
13:00
5.1 85%
3%
10 °C
9 °C
8 km/h
14 km/h
1010 mb
86.5%
1,960 m
494 m
May, 1 13:00 @ Stable
16:00
12 °C
13 °C
3 km/h
8 km/h
1010 mb
78.0%
2,135 m
484 m
May, 1 16:00 @ Stable
19:00
12 °C
12 °C
4 km/h
6 km/h
1010 mb
79.8%
2,097 m
106 m
May, 1 19:00 @ Stable
22:00
11 °C
10 °C
7 km/h
7 km/h
1012 mb
81.3%
2,148 m
14 m
May, 1 22:00 @ Stable
2 May will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 97% probability of heavy rainfall.
The sky will be overcast:
57% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
81% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
99% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
2% convective clouds (Cumulonimbus)
The highest temperature will reach 12 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1009 mb. Relative humidity will be very high.
Thursday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
10 °C
10 °C
6 km/h
7 km/h
1011 mb
81.7%
2,023 m
18 m
May, 2 01:00 @ Stable
04:00
10 °C
9 °C
10 km/h
10 km/h
1010 mb
77.7%
2,139 m
52 m
May, 2 04:00 @ Stable
07:00
4 80%
9 °C
8 °C
11 km/h
15 km/h
1010 mb
92.9%
2,077 m
156 m
May, 2 07:00 @ Mostly stable
10:00
7.1 97%
10 °C
9 °C
11 km/h
17 km/h
1010 mb
95.7%
2,098 m
212 m
May, 2 10:00 @ Stable
13:00
13 97%
11 °C
10 °C
11 km/h
16 km/h
1009 mb
95.9%
2,316 m
167 m
May, 2 13:00 @ Stable
16:00
2.2 68%
11 °C
11 °C
8 km/h
11 km/h
1008 mb
95.1%
2,647 m
114 m
May, 2 16:00 @ Stable
19:00
2.2 66%
12 °C
11 °C
11 km/h
14 km/h
1008 mb
92.4%
2,747 m
113 m
May, 2 19:00 @ Mostly stable
22:00
0.3 48%
11 °C
10 °C
13 km/h
18 km/h
1010 mb
95.8%
2,714 m
141 m
May, 2 22:00 @ Mostly stable
3 May will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 56% probability of light rainfall and showers.
The sky will be cloudy:
25% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
12% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
48% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
3% convective clouds (Cumulonimbus)
The highest temperature will reach 18 degrees Celsius, while the the lowest temperature will drop to 10 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1010 mb. Relative humidity will be very high.
Friday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
0.7 56%
11 °C
11 °C
5 km/h
7 km/h
1010 mb
95.3%
3,016 m
73 m
May, 3 01:00 @ Mostly stable
04:00
11 °C
11 °C
4 km/h
5 km/h
1010 mb
95.8%
3,066 m
39 m
May, 3 04:00 @ Mostly stable
07:00
12 °C
11 °C
12 km/h
14 km/h
1011 mb
95.5%
3,058 m
100 m
May, 3 07:00 @ Mostly stable
10:00
13 °C
11 °C
23 km/h
31 km/h
1011 mb
92.7%
3,041 m
358 m
May, 3 10:00 @ Slightly unstable
13:00
15 °C
13 °C
27 km/h
39 km/h
1010 mb
83.4%
2,968 m
430 m
May, 3 13:00 @ Mostly stable
16:00
17 °C
16 °C
30 km/h
44 km/h
1009 mb
75.8%
2,674 m
654 m
May, 3 16:00 @ Mostly stable
19:00
0.3 15%
100%
16 °C
14 °C
30 km/h
47 km/h
1010 mb
79.4%
2,607 m
397 m
May, 3 19:00 @ Mostly stable
22:00
13 °C
11 °C
27 km/h
47 km/h
1011 mb
82.0%
2,668 m
298 m
May, 3 22:00 @ Mostly stable
4 May will be with moderate temperatures and the weather will be .
The sky will be mostly cloudy:
10% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
85% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
17% convective clouds (Cumulonimbus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 10 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 8097 mb. Relative humidity will be .
Saturday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
12 °C
10 °C
24 km/h
45 km/h
1011 mb
83.2%
2,848 m
311 m
May, 4 01:00 @ Mostly stable
04:00
10 °C
8 °C
23 km/h
50 km/h
1011 mb
89.0%
2,881 m
377 m
May, 4 04:00 @ Mostly stable
07:00
11 °C
8 °C
25 km/h
50 km/h
1012 mb
89.0%
2,786 m
400 m
May, 4 07:00 @ Mostly stable
10:00
14 °C
11 °C
31 km/h
42 km/h
1013 mb
83.1%
2,794 m
408 m
May, 4 10:00 @ Mostly stable
13:00
16 °C
15 °C
24 km/h
33 km/h
1013 mb
77.3%
2,772 m
465 m
May, 4 13:00 @ Mostly stable
16:00
17 °C
16 °C
21 km/h
30 km/h
1013 mb
76.4%
2,844 m
546 m
May, 4 16:00 @ Mostly stable
19:00
16 °C
15 °C
18 km/h
29 km/h
1013 mb
80.3%
2,902 m
262 m
May, 4 19:00 @ Mostly stable
22:00
12 °C
11 °C
14 km/h
23 km/h
1016 mb
88.1%
2,917 m
101 m
May, 4 22:00 @ Stable
City and County of Cardiff
05:54 
