Treharris (Merthyr Tydfil) last 24 hours weather
Tuesday (13 January 2026)
| 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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Temperature
°C
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| Temperature in degrees Celsius |
7.9°
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8.2°
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8.4°
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8.3°
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8.6°
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8.6°
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8.6°
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9.0°
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9.4°
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9.6°
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9.8°
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9.6°
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9.3°
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7.2°
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6.4°
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5.7°
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5.4°
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5.1°
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3.8°
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3.2°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
SE
3
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SE
5
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ESE
5
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SE
6
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S
6
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SSE
6
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SSE
7
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SSE
6
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SSW
4
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WNW
5
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NW
7
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W
8
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NNW
7
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NNW
3
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NW
7
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NW
6
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NW
5
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WNW
4
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NW
6
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N
4
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| Wind gust in miles per hour | 11 | 13 | 11 | 9 | 9 | 11 | 13 | 11 | 7 | 9 | 11 | 11 | 11 | 9 | 9 | 11 | 9 | 7 | 7 | 9 |
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Visibility
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| Visibility | VG | G | M | G | G | M | M | G | M | G | E | G | E | E | E | E | E | E | VG | VG |
| Humidity | 92% | 94% | 96% | 98% | 98% | 97% | 96% | 97% | 98% | 98% | 87% | 91% | 83% | 85% | 87% | 85% | 83% | 84% | 87% | 88% |
| Pressure in hectopascals | 1,003 | 1,003 | 1,002 | 1,002 | 1,002 | 1,002 | 1,002 | 1,002 | 1,002 | 1,002 | 1,003 | 1,003 | 1,004 | 1,005 | 1,007 | 1,007 | 1,008 | 1,010 | 1,010 | 1,011 |
Wednesday (14 January 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 |
1.4°
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1.5°
|
2.0°
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1.7°
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-0.0°
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0.0°
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-0.2°
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-0.9°
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-1.7°
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0.3°
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1.3°
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1.8°
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3.5°
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3.9°
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4.4°
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4.6°
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4.8°
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4.8°
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4.9°
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5.5°
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5.4°
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5.3°
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6.6°
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8.0°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
N
0
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NW
2
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N
3
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NNW
3
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NNE
3
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N
3
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ENE
2
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ENE
3
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E
5
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ENE
5
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ENE
6
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ENE
6
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ENE
5
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ESE
7
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ESE
7
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E
7
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E
6
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E
7
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E
6
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ESE
4
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E
2
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NNE
2
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SSW
9
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SSW
11
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| Wind gust in miles per hour | 4 | 4 | 7 | 7 | 4 | 4 | 7 | 4 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 11 | 9 | 9 | 11 | 11 | 7 | 7 | 16 | 18 |
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Visibility
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| Visibility | VG | VG | VG | VG | G | VG | VG | G | G | VP | VP | VP | G | VG | VG | VG | VG | G | M | VP | VP | VP | E | VG |
| Humidity | 88% | 92% | 94% | 95% | 94% | 96% | 96% | 97% | 96% | 98% | 99% | 100% | 100% | 93% | 89% | 89% | 91% | 96% | 97% | 98% | 99% | 99% | 98% | 89% |
| Pressure in hectopascals | 1,011 | 1,011 | 1,012 | 1,012 | 1,012 | 1,012 | 1,013 | 1,013 | 1,013 | 1,013 | 1,014 | 1,013 | 1,012 | 1,011 | 1,010 | 1,009 | 1,008 | 1,008 | 1,007 | 1,006 | 1,006 | 1,005 | 1,004 | 1,004 |
Thursday (15 January 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | |
|---|---|---|---|---|
| Weather symbol |
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Temperature
°C
|
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| Temperature in degrees Celsius |
8.6°
|
8.7°
|
7.9°
|
8.6°
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Wind direction and speed
mph
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| Wind direction and speed in miles per hour |
SW
14
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WSW
14
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WSW
12
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SW
11
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| Wind gust in miles per hour | 20 | 22 | 22 | 16 |
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Visibility
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| Visibility | VG | VG | VG | VG |
| Humidity | 88% | 88% | 91% | 89% |
| Pressure in hectopascals | 1,004 | 1,004 | 1,003 | 1,003 |
Treharris weather map
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Location Details
Location: 51.665, -3.305
Altitude:
169m above sea level