Glasfynydd (usk reservoir) Weather Report
Below is our weather report and 5 day forecast for Glasfynydd (usk reservoir).
16°C

Temperature | 16°C (feels like 14°C) |
Weather | Light rain |
Chances of Rain | 88% |
Wind Speed | 13 mph |
Wind Gust | 20 mph |
Wind Direction | ![]() |
Visibility | Very Good |
Humidity | 98% | Max UV Index | 6 (High Exposure) |
Last Forecast Update: 20/07/2025 13:51:15
Glasfynydd (usk reservoir) 5 Day Weather Forecast
Today
Time | Weather | Temp | Feels | Wind Speed | Wind Gust | Visibility | Humidity | Max UV | Rain % |
---|---|---|---|---|---|---|---|---|---|
12:00 | ![]() Light rain | 16°C | 14°C | 13mph (SSW) | 20mph | Very Good | 98% | 6 | 88% |
15:00 | ![]() Cloudy (Medium-Level) | 17°C | 15°C | 11mph (SW) | 16mph | Excellent | 64% | 4 | 6% |
18:00 | ![]() Sunny intervals | 16°C | 15°C | 4mph (SW) | 7mph | Excellent | 68% | 1 | 11% |
21:00 | ![]() Partly cloudy (night) | 13°C | 13°C | 2mph (ENE) | 4mph | Very Good | 84% | 0 | 2% |
21 July 2025
Time | Weather | Temp | Feels | Wind Speed | Wind Gust | Visibility | Humidity | Max UV | Rain % |
---|---|---|---|---|---|---|---|---|---|
00:00 | ![]() Clear sky | 12°C | 12°C | 2mph (ESE) | 4mph | Very Good | 89% | 0 | 2% |
03:00 | ![]() Clear sky | 12°C | 11°C | 2mph (NE) | 4mph | Very Good | 92% | 0 | 2% |
06:00 | ![]() Cloudy (Medium-Level) | 13°C | 12°C | 2mph (WSW) | 7mph | Good | 92% | 1 | 6% |
09:00 | ![]() Cloudy (Medium-Level) | 14°C | 14°C | 7mph (W) | 11mph | Very Good | 86% | 3 | 45% |
12:00 | ![]() Heavy rain | 15°C | 14°C | 9mph (WSW) | 16mph | Good | 86% | 5 | 82% |
15:00 | ![]() Heavy rain | 15°C | 13°C | 11mph (W) | 20mph | Poor | 92% | 3 | 79% |
18:00 | ![]() Drizzle | 15°C | 14°C | 11mph (WNW) | 18mph | Poor | 94% | 1 | 55% |
21:00 | ![]() Light rain | 14°C | 13°C | 9mph (W) | 18mph | Very Poor | 98% | 0 | 57% |
22 July 2025
Time | Weather | Temp | Feels | Wind Speed | Wind Gust | Visibility | Humidity | Max UV | Rain % |
---|---|---|---|---|---|---|---|---|---|
00:00 | ![]() Light rain | 14°C | 13°C | 9mph (W) | 18mph | Poor | 98% | 0 | 57% |
03:00 | ![]() Fog | 13°C | 12°C | 9mph (W) | 16mph | Very Poor | 98% | 0 | 22% |
06:00 | ![]() Cloudy (Low-Level) | 13°C | 11°C | 9mph (W) | 16mph | Moderate | 97% | 1 | 21% |
09:00 | ![]() Light rain | 14°C | 12°C | 11mph (W) | 18mph | Good | 88% | 3 | 45% |
12:00 | ![]() Light rain | 16°C | 14°C | 9mph (W) | 18mph | Very Good | 77% | 5 | 48% |
15:00 | ![]() Light rain shower (day) | 16°C | 14°C | 9mph (W) | 18mph | Good | 78% | 4 | 45% |
18:00 | ![]() Cloudy (Medium-Level) | 15°C | 14°C | 7mph (W) | 16mph | Good | 81% | 1 | 18% |
21:00 | ![]() Partly cloudy (night) | 13°C | 12°C | 4mph (WNW) | 7mph | Very Good | 93% | 0 | 6% |
23 July 2025
Time | Weather | Temp | Feels | Wind Speed | Wind Gust | Visibility | Humidity | Max UV | Rain % |
---|---|---|---|---|---|---|---|---|---|
00:00 | ![]() Cloudy (Medium-Level) | 11°C | 11°C | 2mph (WSW) | 4mph | Good | 97% | 0 | 8% |
03:00 | ![]() Cloudy (Medium-Level) | 11°C | 11°C | 2mph (WSW) | 4mph | Good | 98% | 0 | 10% |
06:00 | ![]() Cloudy (Low-Level) | 12°C | 12°C | 2mph (WNW) | 7mph | Moderate | 97% | 1 | 15% |
09:00 | ![]() Sunny intervals | 15°C | 14°C | 7mph (NW) | 16mph | Good | 87% | 3 | 14% |
12:00 | ![]() Light rain shower (day) | 16°C | 14°C | 11mph (NW) | 20mph | Good | 80% | 5 | 35% |
15:00 | ![]() Light rain shower (day) | 16°C | 14°C | 13mph (NW) | 25mph | Very Good | 74% | 4 | 30% |
18:00 | ![]() Sunny intervals | 15°C | 14°C | 11mph (NW) | 22mph | Very Good | 77% | 1 | 6% |
21:00 | ![]() Clear sky | 12°C | 11°C | 7mph (NW) | 11mph | Very Good | 93% | 0 | 2% |
24 July 2025
Time | Weather | Temp | Feels | Wind Speed | Wind Gust | Visibility | Humidity | Max UV | Rain % |
---|---|---|---|---|---|---|---|---|---|
00:00 | ![]() Partly cloudy (night) | 11°C | 10°C | 4mph (WNW) | 9mph | Good | 96% | 0 | 5% |
03:00 | ![]() Partly cloudy (night) | 11°C | 10°C | 4mph (WNW) | 9mph | Good | 96% | 0 | 8% |
06:00 | ![]() Sunny intervals | 12°C | 12°C | 4mph (WNW) | 11mph | Good | 94% | 1 | 6% |
09:00 | ![]() Cloudy (Medium-Level) | 15°C | 14°C | 9mph (NW) | 18mph | Very Good | 82% | 4 | 10% |
12:00 | ![]() Cloudy (Medium-Level) | 17°C | 15°C | 9mph (NW) | 20mph | Very Good | 73% | 6 | 9% |
15:00 | ![]() Cloudy (Medium-Level) | 17°C | 16°C | 9mph (WNW) | 20mph | Very Good | 71% | 4 | 7% |
18:00 | ![]() Sunny intervals | 16°C | 14°C | 9mph (WNW) | 18mph | Very Good | 76% | 1 | 3% |
21:00 | ![]() Clear sky | 12°C | 11°C | 4mph (WNW) | 7mph | Very Good | 92% | 0 | 4% |
Nearby Towns
Carreg cennen, Clydach, Crai reservoir, Craig y nos country park, Dan yr ogof ski centre, Dolgoch youth hostel, Fan brycheiniog, Fan fawr, Fan frynych, Fan gyhirych, Fan llia, Fan nedd, Garreg lwyd, Glanaman, Glasfynydd (usk reservoir), Glasfynydd family mountain bike route, Llanddeusant youth hostel, Llandovery, Llanwrtyd, Llwyn-y-celyn youth hostel, Llyn y fan fawr, Mynydd illtyd, Pont nedd fechan (waterfalls), Pontardawe, Sennybridge, Storey arms, Tyncornel youth hostel, Ystradfellte youth hostel, Ystradgynlais
Last Weather Update: 20/07/2025 13:51:15