Past Weather in Merthyr Tydfil — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
38
42
46
50
54
58
62
66
70
74
78
Mon, Apr 21
Lo:54
6 am
Hi:55
9
Lo:54
12 pm
Hi:55
17
Lo:46
6 pm
Hi:52
11
Tue, Apr 22
Lo:45
12 am
Hi:46
6
Lo:46
6 am
Hi:55
6
Lo:54
12 pm
Hi:57
5
Lo:50
6 pm
Hi:55
13
Wed, Apr 23
Lo:46
12 am
Hi:50
11
Lo:46
6 am
Hi:55
9
Lo:54
12 pm
Hi:55
6
Lo:48
6 pm
Hi:54
6
Thu, Apr 24
Lo:48
12 am
Hi:50
4
Lo:48
6 am
Hi:55
10
Lo:55
12 pm
Hi:59
7
Lo:50
6 pm
Hi:57
4
Fri, Apr 25
Lo:48
12 am
Hi:50
7
Lo:48
6 am
Hi:55
11
Lo:57
12 pm
Hi:59
8
Lo:50
6 pm
Hi:55
5
Sat, Apr 26
Lo:48
12 am
Hi:50
4
Lo:48
6 am
Hi:55
6
Lo:55
12 pm
Hi:61
6
Lo:48
6 pm
Hi:57
8
Sun, Apr 27
Lo:45
12 am
Hi:48
5
Lo:46
6 am
Hi:57
4
Lo:59
12 pm
Hi:63
8
Lo:48
6 pm
Hi:59
7
Mon, Apr 28
Lo:46
12 am
Hi:48
2
Lo:46
6 am
Hi:61
6
Lo:63
12 pm
Hi:68
6
Lo:55
6 pm
Hi:66
4
Tue, Apr 29
Lo:50
12 am
Hi:52
6
Lo:52
6 am
Hi:66
10
Lo:68
12 pm
Hi:73
8
Lo:57
6 pm
Hi:72
5
Wed, Apr 30
Lo:54
12 am
Hi:57
6
Lo:54
6 am
Hi:70
9
Lo:70
12 pm
Hi:75
7
Lo:57
6 pm
Hi:75
4
Thu, May 1
Lo:55
12 am
Hi:57
5
Lo:55
6 am
Hi:72
7
Lo:73
12 pm
Hi:79
7
Lo:57
6 pm
Hi:73
4
Fri, May 2
Lo:54
12 am
Hi:57
5
Lo:55
6 am
Hi:64
7
Lo:64
12 pm
Hi:66
8
Lo:54
6 pm
Hi:64
6
Sat, May 3
Lo:52
12 am
Hi:57
12
Lo:52
6 am
Hi:61
7
Lo:59
12 pm
Hi:63
6
Lo:50
6 pm
Hi:61
9
Sun, May 4
Lo:48
12 am
Hi:52
7
Lo:48
6 am
Hi:57
11
Lo:55
12 pm
Hi:59
12
Lo:48
6 pm
Hi:55
11
Mon, May 5
Lo:39
12 am
Hi:48
10
Lo:39
6 am
Hi:52
12
Lo:52
12 pm
Hi:57
9
Lo:48
6 pm
Hi:55
10
Tue, May 6
Lo:39
12 am
Hi:48
6
Lo:39
6 am
Hi:54
9
Merthyr Tydfil Temperature Yesterday
Maximum temperature yesterday: 57 °F (at 4:50 pm)
Minimum temperature yesterday: 39 °F (at 4:50 am)
Average temperature yesterday: 49 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 79 °F (May 1, 3:20 pm) | 100% (Apr 22, 2:50 am) | 30.33 "Hg (Apr 22, 2:50 am) |
| Low | 39 °F (May 5, 4:50 am) | 36% (Apr 30, 6:20 pm) | 29.74 "Hg (Apr 23, 1:50 am) |
| Average | 55 °F | 73% | 30.12 "Hg |
| * Reported Apr 21 11:20 am — May 6 11:50 am, Merthyr Tydfil. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Merthyr Tydfil Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 11:50 am Tue, May 6 |  | 54 °F | Clear. | 12 mph | ↑ | 51% | 30.30 "Hg | N/A |
| 11:20 am | | 54 °F | Clear. | 9 mph | ↑ | 51% | 30.30 "Hg | N/A |
| 10:50 am | | 52 °F | Clear. | 9 mph | ↑ | 54% | 30.33 "Hg | N/A |
| 10:20 am |  | 50 °F | Passing clouds. | 12 mph | ↑ | 58% | 30.33 "Hg | N/A |
| 9:50 am | | 50 °F | Passing clouds. | 10 mph | ↑ | 58% | 30.33 "Hg | N/A |
| 9:20 am | | 50 °F | Scattered clouds. | 10 mph | ↑ | 58% | 30.33 "Hg | N/A |
| 8:50 am |  | 48 °F | Partly sunny. | 9 mph | ↑ | 58% | 30.33 "Hg | N/A |
| 8:20 am | | 48 °F | Passing clouds. | 8 mph | ↑ | 62% | 30.33 "Hg | N/A |
| 7:50 am |  | 46 °F | Overcast. | 8 mph | ↑ | 71% | 30.30 "Hg | N/A |
| 7:20 am | | 43 °F | Partly sunny. | 7 mph | ↑ | 81% | 30.30 "Hg | N/A |
| 6:50 am | | 41 °F | Passing clouds. | 7 mph | ↑ | 81% | 30.30 "Hg | N/A |
| 6:20 am | | 39 °F | Partly sunny. | 8 mph | ↑ | 87% | 30.30 "Hg | N/A |
| 5:50 am | | 39 °F | Overcast. | 8 mph | ↑ | 87% | 30.30 "Hg | N/A |
| 5:20 am |  | 39 °F | Passing clouds. | 7 mph | ↑ | 87% | 30.30 "Hg | N/A |
| 4:50 am |  | 39 °F | Clear. | 8 mph | ↑ | 81% | 30.30 "Hg | N/A |
| 4:20 am | | 39 °F | Clear. | 6 mph | ↑ | 81% | 30.30 "Hg | N/A |
| 3:50 am | | 39 °F | Clear. | 6 mph | ↑ | 81% | 30.27 "Hg | N/A |
| 3:20 am | | 39 °F | Clear. | 6 mph | ↑ | 87% | 30.27 "Hg | N/A |
| 2:50 am | | 41 °F | Clear. | 5 mph | ↑ | 81% | 30.27 "Hg | N/A |
| 2:20 am | | 41 °F | Passing clouds. | 2 mph | ↑ | 81% | 30.27 "Hg | N/A |
| 1:50 am | | 45 °F | Clear. | 7 mph | ↑ | 71% | 30.27 "Hg | N/A |
| 1:20 am | | 43 °F | Clear. | 5 mph | ↑ | 76% | 30.27 "Hg | N/A |
| 12:50 am | | 45 °F | Clear. | 7 mph | ↑ | 71% | 30.27 "Hg | N/A |
| 12:20 am | | 48 °F | Clear. | 7 mph | ↑ | 62% | 30.27 "Hg | N/A |
| 11:50 pm Mon, May 5 | | 48 °F | Clear. | 6 mph | ↑ | 62% | 30.27 "Hg | N/A |
| 11:20 pm | | 48 °F | Clear. | 8 mph | ↑ | 62% | 30.27 "Hg | N/A |
| 10:50 pm | | 50 °F | Clear. | 9 mph | ↑ | 58% | 30.27 "Hg | N/A |
| 10:20 pm | | 50 °F | Clear. | 12 mph | ↑ | 58% | 30.27 "Hg | N/A |
| 9:50 pm | | 50 °F | Clear. | 13 mph | ↑ | 58% | 30.27 "Hg | N/A |
| 9:20 pm | | 50 °F | Clear. | 13 mph | ↑ | 58% | 30.24 "Hg | N/A |
| 8:50 pm | | 52 °F | Clear. | 9 mph | ↑ | 54% | 30.24 "Hg | N/A |
| 8:20 pm | | 54 °F | Clear. | 9 mph | ↑ | 51% | 30.24 "Hg | N/A |
| 7:50 pm | | 55 °F | Clear. | 13 mph | ↑ | 47% | 30.21 "Hg | N/A |
| 7:20 pm | | 55 °F | Clear. | 8 mph | ↑ | 47% | 30.21 "Hg | N/A |
| 6:50 pm | | 55 °F | Clear. | 12 mph | ↑ | 47% | 30.21 "Hg | N/A |
| 6:20 pm | | 55 °F | Clear. | 10 mph | ↑ | 47% | 30.21 "Hg | N/A |
| 5:50 pm | | 55 °F | Clear. | 9 mph | ↑ | 47% | 30.21 "Hg | N/A |
| 5:20 pm | | 55 °F | Scattered clouds. | 13 mph | ↑ | 51% | 30.21 "Hg | N/A |
| 4:50 pm | | 57 °F | Clear. | 9 mph | ↑ | 48% | 30.21 "Hg | N/A |
| 4:20 pm | | 55 °F | Clear. | 9 mph | ↑ | 51% | 30.21 "Hg | N/A |
| 3:50 pm | | 55 °F | Passing clouds. | 9 mph | ↑ | 51% | 30.21 "Hg | N/A |
| 3:20 pm | | 55 °F | Clear. | 10 mph | ↑ | 51% | 30.21 "Hg | N/A |
| 2:50 pm | | 55 °F | Clear. | 8 mph | ↑ | 55% | 30.21 "Hg | N/A |
| 2:20 pm | | 54 °F | Partly sunny. | 12 mph | ↑ | 54% | 30.21 "Hg | N/A |
| 1:50 pm | | 54 °F | Broken clouds. | 9 mph | ↑ | 54% | 30.21 "Hg | N/A |
| 1:20 pm | | 54 °F | Mostly cloudy. | 7 mph | ↑ | 54% | 30.24 "Hg | N/A |
| Weather by CustomWeather, © 2025 | ||||||||