Glasfynydd (Usk Reservoir) (Carmarthenshire) last 24 hours weather
Sunday (8 March 2026)
| 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
°C
|
|||||||||||
| Temperature in degrees Celsius |
7.9°
|
8.1°
|
8.3°
|
8.3°
|
8.2°
|
8.0°
|
7.9°
|
7.9°
|
7.8°
|
7.7°
|
7.7°
|
|
Wind direction and speed
mph
|
|||||||||||
| Wind direction and speed in miles per hour |
S
6
|
S
7
|
SSW
7
|
SSW
6
|
S
4
|
SSE
4
|
S
6
|
SSE
5
|
SSE
4
|
SSE
7
|
SSE
8
|
| Wind gust in miles per hour | 9 | 10 | 11 | 8 | 8 | 7 | 9 | 8 | 8 | 11 | 9 |
|
Visibility
|
|||||||||||
| Visibility | M | M | G | M | M | M | M | M | M | M | M |
| Humidity | 97% | 97% | 94% | 93% | 92% | 93% | 93% | 94% | 94% | 93% | 93% |
| Pressure in hectopascals | 1,022 | 1,021 | 1,021 | 1,021 | 1,020 | 1,020 | 1,020 | 1,020 | 1,020 | 1,020 | 1,020 |
Monday (9 March 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
°C
|
||||||||||||||||||||||||
| Temperature in degrees Celsius |
7.6°
|
7.5°
|
7.4°
|
7.1°
|
6.9°
|
7.1°
|
7.1°
|
7.4°
|
7.7°
|
8.1°
|
8.2°
|
8.7°
|
8.6°
|
9.1°
|
9.7°
|
9.6°
|
9.3°
|
8.6°
|
7.6°
|
7.0°
|
6.3°
|
6.2°
|
6.2°
|
6.0°
|
|
Wind direction and speed
mph
|
||||||||||||||||||||||||
| Wind direction and speed in miles per hour |
S
7
|
SSE
5
|
NE
2
|
SSE
4
|
S
5
|
SE
4
|
S
5
|
SSE
6
|
S
7
|
SSE
7
|
S
7
|
S
7
|
S
8
|
S
6
|
SSW
9
|
SSW
8
|
SW
12
|
SW
10
|
SSW
10
|
SSW
12
|
SW
12
|
SW
11
|
SW
11
|
SW
12
|
| Wind gust in miles per hour | 9 | 10 | 4 | 6 | 9 | 5 | 6 | 9 | 10 | 10 | 9 | 9 | 12 | 11 | 13 | 12 | 18 | 15 | 14 | 18 | 17 | 17 | 18 | 16 |
|
Visibility
|
||||||||||||||||||||||||
| Visibility | M | M | M | P | P | P | P | M | M | M | M | G | G | G | G | G | G | VG | E | E | G | P | E | P |
| Humidity | 94% | 93% | 93% | 94% | 95% | 95% | 95% | 95% | 93% | 93% | 93% | 91% | 89% | 93% | 89% | 88% | 85% | 82% | 86% | 88% | 93% | 95% | 96% | 95% |
| Pressure in hectopascals | 1,020 | 1,019 | 1,019 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,018 | 1,017 | 1,017 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 | 1,016 |
Tuesday (10 March 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
°C
|
|||||||||||||
| Temperature in degrees Celsius |
5.8°
|
5.6°
|
4.8°
|
4.4°
|
4.9°
|
4.9°
|
5.2°
|
5.8°
|
6.6°
|
6.7°
|
7.7°
|
7.5°
|
8.2°
|
|
Wind direction and speed
mph
|
|||||||||||||
| Wind direction and speed in miles per hour |
WSW
8
|
WSW
8
|
SW
7
|
SSW
7
|
SSW
7
|
SSW
7
|
SSW
9
|
SSW
10
|
SSW
15
|
SW
18
|
SW
17
|
SW
16
|
SW
18
|
| Wind gust in miles per hour | 12 | 13 | 10 | 11 | 10 | 10 | 14 | 16 | 24 | 26 | 24 | 25 | 26 |
|
Visibility
|
|||||||||||||
| Visibility | M | VG | VG | VG | VG | VG | E | E | E | E | E | E | E |
| Humidity | 96% | 96% | 94% | 95% | 94% | 93% | 92% | 89% | 88% | 86% | 80% | 80% | 81% |
| Pressure in hectopascals | 1,016 | 1,016 | 1,016 | 1,016 | 1,015 | 1,015 | 1,015 | 1,014 | 1,014 | 1,014 | 1,013 | 1,013 | 1,012 |
Glasfynydd (Usk Reservoir) weather map
View the weather with our interactive map
Loading map…
Location Details
Location: 51.944, -3.716
Altitude:
341m above sea level