St-Athan (Vale of Glamorgan) last 24 hours weather
Find a forecast
Nearest forecast to your detected location
We are showing you the observations for the nearest location to Porthcawl (12.5 miles, 39 m higher).
Observation days
No pollution data.
No pollen data.
No pollution data.
No pollen data.
No pollution data.
No pollen data.
Wednesday
| Time |
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
|
|||||||||||||
| Weather | |||||||||||||
| Temperature (°C) | |||||||||||||
| Temperature |
9.6° Celsius
|
9.9° Celsius
|
10.2° Celsius
|
10.2° Celsius
|
10.2° Celsius
|
10.0° Celsius
|
9.9° Celsius
|
9.7° Celsius
|
9.6° Celsius
|
9.6° Celsius
|
9.4° Celsius
|
9.2° Celsius
|
9.1° Celsius
|
| Wind direction and speed (mph) | |||||||||||||
| Wind direction and speed |
ENE
19
|
ENE
18
|
E
17
|
E
19
|
E
19
|
ENE
17
|
ENE
14
|
ENE
13
|
ENE
16
|
E
21
|
ENE
14
|
E
17
|
E
17
|
| Wind gust (mph) | |||||||||||||
| Wind gust |
28
|
29
|
32
|
27
|
33
|
26
|
27
|
22
|
31
|
30
|
30
|
26
|
29
|
| Visibility (description) | |||||||||||||
| Visibility |
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
| Humidity | |||||||||||||
| Humidity | 74 % | 70 % | 64 % | 65 % | 60 % | 67 % | 70 % | 74 % | 73 % | 67 % | 68 % | 72 % | 75 % |
| Pressure (hPa) | |||||||||||||
| Pressure | 1,030 hPa | 1,029 hPa | 1,029 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,028 hPa | 1,027 hPa |
| Pressure tendency | |||||||||||||
| Pressure tendency | F | F | F | F | F | F | F | F | R | R | S | F | F |
Thursday
| 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
|
||||||||||||||||||||||||
| Weather | ||||||||||||||||||||||||
| Temperature (°C) | ||||||||||||||||||||||||
| Temperature |
8.3° Celsius
|
8.5° Celsius
|
8.5° Celsius
|
8.1° Celsius
|
8.5° Celsius
|
8.5° Celsius
|
8.7° Celsius
|
8.6° Celsius
|
8.3° Celsius
|
8.3° Celsius
|
8.6° Celsius
|
8.7° Celsius
|
8.9° Celsius
|
8.6° Celsius
|
9.1° Celsius
|
9.0° Celsius
|
8.5° Celsius
|
8.1° Celsius
|
8.3° Celsius
|
8.3° Celsius
|
8.3° Celsius
|
7.9° Celsius
|
7.8° Celsius
|
7.8° Celsius
|
| Wind direction and speed (mph) | ||||||||||||||||||||||||
| Wind direction and speed |
E
13
|
ENE
11
|
ENE
13
|
ENE
13
|
NE
13
|
ENE
15
|
ENE
14
|
ENE
13
|
ENE
12
|
ENE
12
|
ENE
15
|
ENE
16
|
ENE
17
|
ENE
16
|
ENE
17
|
ENE
17
|
ENE
15
|
ENE
12
|
NE
12
|
ENE
9
|
NE
8
|
NE
7
|
NE
8
|
ENE
9
|
| Wind gust (mph) | ||||||||||||||||||||||||
| Wind gust |
26
|
17
|
21
|
18
|
17
|
23
|
21
|
20
|
19
|
18
|
23
|
23
|
23
|
22
|
23
|
25
|
23
|
19
|
14
|
14
|
11
|
10
|
11
|
12
|
| Visibility (description) | ||||||||||||||||||||||||
| Visibility |
VG
|
VG
|
E
|
VG
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
P
|
M
|
M
|
M
|
| Humidity | ||||||||||||||||||||||||
| Humidity | 84 % | 82 % | 80 % | 82 % | 75 % | 74 % | 74 % | 75 % | 79 % | 80 % | 79 % | 82 % | 81 % | 84 % | 82 % | 82 % | 84 % | 86 % | 86 % | 86 % | 86 % | 90 % | 90 % | 90 % |
| Pressure (hPa) | ||||||||||||||||||||||||
| Pressure | 1,027 hPa | 1,027 hPa | 1,027 hPa | 1,026 hPa | 1,026 hPa | 1,025 hPa | 1,025 hPa | 1,025 hPa | 1,025 hPa | 1,026 hPa | 1,026 hPa | 1,026 hPa | 1,025 hPa | 1,025 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa | 1,025 hPa | 1,025 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa |
| Pressure tendency | ||||||||||||||||||||||||
| Pressure tendency | F | F | F | F | F | F | F | F | R | R | R | R | F | F | F | F | F | F | R | R | R | R | F | F |
Friday
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Weather
|
|||||||||||
| Weather | |||||||||||
| Temperature (°C) | |||||||||||
| Temperature |
7.9° Celsius
|
8.0° Celsius
|
8.0° Celsius
|
8.1° Celsius
|
7.9° Celsius
|
7.9° Celsius
|
7.4° Celsius
|
6.9° Celsius
|
6.6° Celsius
|
8.1° Celsius
|
8.4° Celsius
|
| Wind direction and speed (mph) | |||||||||||
| Wind direction and speed |
ENE
9
|
ENE
9
|
ENE
9
|
ENE
10
|
ENE
9
|
ENE
9
|
ENE
9
|
ENE
9
|
NE
7
|
NE
8
|
ENE
7
|
| Wind gust (mph) | |||||||||||
| Wind gust |
12
|
13
|
15
|
14
|
13
|
12
|
12
|
13
|
11
|
11
|
11
|
| Visibility (description) | |||||||||||
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
| Humidity | |||||||||||
| Humidity | 89 % | 89 % | 88 % | 87 % | 88 % | 89 % | 90 % | 93 % | 94 % | 93 % | 92 % |
| Pressure (hPa) | |||||||||||
| Pressure | 1,024 hPa | 1,024 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,023 hPa | 1,024 hPa | 1,024 hPa | 1,024 hPa |
| Pressure tendency | |||||||||||
| Pressure tendency | F | F | F | F | F | F | F | R | R | R | R |
St-Athan weather map
View the weather with our interactive map
Loading map...
Observation taken at 10:30, Fri
Updated 10:30 (UTC) on Fri 6 Nov 2026
Location Details
Location: 51.405, -3.44
Altitude: 49 m above sea level