Treharris (Merthyr Tydfil) last 24 hours weather
Friday (20 February 2026)
| 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 | |
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| Weather symbol |
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Temperature
°C
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| Temperature in degrees Celsius |
9.6°
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9.5°
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10.2°
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11.2°
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11.4°
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11.5°
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10.7°
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10.2°
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9.8°
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9.6°
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9.8°
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10.0°
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10.0°
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9.9°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
SW
18
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SW
16
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SW
19
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WSW
23
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WSW
30
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WSW
28
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W
28
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W
23
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W
24
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W
20
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W
21
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W
20
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W
23
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W
20
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| Wind gust in miles per hour | 29 | 27 | 29 | 34 | 45 | 40 | 40 | 43 | 36 | 34 | 31 | 34 | 36 | 34 |
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Visibility
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| Visibility | G | M | VG | G | G | M | M | M | M | M | M | M | P | M |
| Humidity | 85% | 93% | 93% | 89% | 91% | 83% | 84% | 87% | 88% | 91% | 93% | 93% | 95% | 96% |
| Pressure in hectopascals | 1,015 | 1,014 | 1,014 | 1,014 | 1,013 | 1,013 | 1,014 | 1,014 | 1,015 | 1,016 | 1,016 | 1,017 | 1,017 | 1,017 |
Saturday (21 February 2026)
| 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 | |
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| Weather symbol |
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Temperature
°C
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| Temperature in degrees Celsius |
10.1°
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9.7°
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9.5°
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9.6°
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9.6°
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9.7°
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9.4°
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9.3°
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9.7°
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9.9°
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10.5°
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11.1°
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11.1°
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11.2°
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11.0°
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10.9°
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10.8°
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10.7°
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10.4°
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10.5°
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10.5°
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10.5°
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10.5°
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10.5°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
W
19
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W
17
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W
18
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W
17
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W
14
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W
15
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W
16
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W
13
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WSW
10
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WSW
8
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WSW
11
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WSW
12
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W
13
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W
6
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WSW
13
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W
18
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W
18
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W
20
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W
17
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WSW
16
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WSW
13
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WSW
17
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WSW
16
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WSW
16
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| Wind gust in miles per hour | 31 | 29 | 29 | 29 | 25 | 22 | 25 | 22 | 18 | 13 | 16 | 18 | 20 | 20 | 18 | 27 | 27 | 29 | 29 | 25 | 25 | 25 | 27 | 25 |
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Visibility
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| Visibility | M | M | M | M | M | M | P | VP | P | P | M | P | VG | M | VG | G | M | M | G | G | VG | G | P | G |
| Humidity | 96% | 96% | 96% | 97% | 96% | 95% | 97% | 98% | 99% | 99% | 99% | 99% | 99% | 97% | 98% | 98% | 98% | 99% | 98% | 97% | 97% | 98% | 97% | 97% |
| Pressure in hectopascals | 1,017 | 1,018 | 1,018 | 1,018 | 1,018 | 1,019 | 1,019 | 1,020 | 1,020 | 1,020 | 1,020 | 1,020 | 1,020 | 1,019 | 1,019 | 1,019 | 1,019 | 1,019 | 1,019 | 1,019 | 1,019 | 1,019 | 1,018 | 1,018 |
Sunday (22 February 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
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Temperature
°C
|
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| Temperature in degrees Celsius |
10.8°
|
10.8°
|
10.7°
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10.8°
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10.7°
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10.4°
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10.4°
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10.3°
|
10.5°
|
10.2°
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Wind direction and speed
mph
|
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| Wind direction and speed in miles per hour |
WSW
17
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WSW
17
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WSW
17
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WSW
18
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WSW
17
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WSW
16
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W
19
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W
16
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WSW
19
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W
19
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| Wind gust in miles per hour | 27 | 27 | 27 | 27 | 27 | 25 | 29 | 25 | 29 | 31 |
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Visibility
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| Visibility | M | P | G | G | VG | M | VP | P | M | G |
| Humidity | 98% | 97% | 97% | 98% | 97% | 98% | 99% | 99% | 99% | 98% |
| Pressure in hectopascals | 1,017 | 1,017 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,017 |
Treharris weather map
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Location Details
Location: 51.665, -3.305
Altitude:
169m above sea level