12:00 forecast: 19 kph W, 3/5 thermals. 5-day Merthyr Common paragliding and hang gliding forecast with wind, thermals, cloud base, rain and flyability.
| Date | Period | Flyable | Launch wind | Aloft | Thermals | Rain |
|---|---|---|---|---|---|---|
| Fri 14 Aug | Morning | Yes | 17 kph WNW | 19 kph WNW | 0 out of 5, cloud base 2644 ft | dry |
| Fri 14 Aug | Midday | Yes | 19 kph W | 19 kph WNW | 3 out of 5, cloud base 4155 ft | dry |
| Fri 14 Aug | Afternoon | Marginal | 22 kph WNW | 20 kph WNW | 3 out of 5, cloud base 4553 ft | dry |
| Sat 15 Aug | Morning | No | 24 kph N | 31 kph N | 0 out of 5, cloud base 4413 ft | dry |
| Sat 15 Aug | Midday | No | 19 kph N | 19 kph N | 4 out of 5, cloud base 6511 ft | dry |
| Sat 15 Aug | Afternoon | Marginal | 22 kph NNW | 19 kph N | 4 out of 5, cloud base 6676 ft | dry |
| Sun 16 Aug | Morning | No | 6 kph SSW | 2 kph SW | 1 out of 5, cloud base 5032 ft | dry |
| Sun 16 Aug | Midday | Yes | 11 kph W | 9 kph WNW | 5 out of 5, cloud base 6523 ft | dry |
| Sun 16 Aug | Afternoon | No | 24 kph W | 26 kph W | 2 out of 5, cloud base 5796 ft | dry |
| Mon 17 Aug | Morning | Marginal | 7 kph W | 9 kph W | 0 out of 5, cloud base 1952 ft | dry |
| Mon 17 Aug | Midday | Yes | 17 kph W | 20 kph W | 3 out of 5, cloud base 3894 ft | dry |
| Mon 17 Aug | Afternoon | No | 30 kph W | 33 kph W | 1 out of 5, cloud base 4704 ft | dry |
| Tue 18 Aug | Morning | No | 35 kph WNW | 41 kph WNW | 0 out of 5, cloud base 2759 ft | dry |
| Tue 18 Aug | Midday | No | 35 kph WNW | 43 kph WNW | 0 out of 5, cloud base 4655 ft | dry |
| Tue 18 Aug | Afternoon | No | 35 kph W | 44 kph WNW | 0 out of 5, cloud base 5347 ft | dry |