Merthyr Common Paragliding and Hang Gliding Weather Forecast

12:00 forecast: 30 kph WNW, 2/5 thermals. 5-day Merthyr Common paragliding and hang gliding forecast with wind, thermals, cloud base, rain and flyability.

Flying directions: west, northwest, north
Wind range: best around 11-20 kph, usable around 7-24 kph
Site altitude: 409 m
Location: 51.7235, -3.3362

Forecast for Tuesday 18 August 2026 at 12:00

Launch wind: 30 kph from WNW (284°).
Wind aloft: 33 kph from WNW (284°).
Thermal rating: 2 out of 5.
Cloud base: 4031 ft; climbs to 2817 ft.
Rain: dry.

5-day forecast summary

Date	Period	Flyable	Launch wind	Aloft	Thermals	Rain
Tue 18 Aug	Morning	No	28 kph WNW	33 kph WNW	0 out of 5, cloud base 2379 ft	dry
Tue 18 Aug	Morning	No	28 kph WNW	33 kph WNW	0 out of 5, cloud base 2379 ft	dry
Tue 18 Aug	Midday	No	30 kph WNW	33 kph WNW	2 out of 5, cloud base 4031 ft	dry
Tue 18 Aug	Midday	No	30 kph WNW	33 kph WNW	2 out of 5, cloud base 4031 ft	dry
Tue 18 Aug	Afternoon	No	28 kph W	31 kph W	2 out of 5, cloud base 4161 ft	dry
Tue 18 Aug	Afternoon	No	28 kph W	31 kph W	2 out of 5, cloud base 4159 ft	dry
Wed 19 Aug	Morning	Marginal	22 kph W	33 kph W	0 out of 5, cloud base 2441 ft	dry
Wed 19 Aug	Morning	Marginal	22 kph W	33 kph W	0 out of 5, cloud base 2441 ft	dry
Wed 19 Aug	Midday	No	28 kph W	37 kph W	0 out of 5, cloud base 3595 ft	dry
Wed 19 Aug	Midday	No	28 kph W	37 kph W	0 out of 5, cloud base 3594 ft	dry
Wed 19 Aug	Afternoon	No	31 kph WSW	43 kph W	1 out of 5, cloud base 3397 ft	dry
Wed 19 Aug	Afternoon	No	31 kph WSW	43 kph W	1 out of 5, cloud base 3347 ft	dry
Thu 20 Aug	Morning	No	24 kph NW	30 kph NW	1 out of 5, cloud base 2651 ft	dry
Thu 20 Aug	Morning	No	24 kph NW	30 kph NW	1 out of 5, cloud base 2651 ft	dry
Thu 20 Aug	Midday	Marginal	22 kph NW	26 kph NW	1 out of 5, cloud base 3083 ft	dry
Thu 20 Aug	Midday	Marginal	22 kph NW	26 kph NW	1 out of 5, cloud base 3126 ft	dry
Thu 20 Aug	Afternoon	No	13 kph NNE	17 kph NNE	0 out of 5, cloud base 2240 ft	0.2 mm light rain
Thu 20 Aug	Afternoon	No	15 kph NNE	19 kph NNE	0 out of 5, cloud base 2148 ft	0.5 mm light rain
Fri 21 Aug	Morning	No	13 kph ENE	13 kph ENE	0 out of 5, cloud base 3586 ft	dry
Fri 21 Aug	Morning	No	13 kph ENE	13 kph ENE	0 out of 5, cloud base 3586 ft	dry
Fri 21 Aug	Midday	No	6 kph S	6 kph S	2 out of 5, cloud base 4468 ft	dry
Fri 21 Aug	Midday	No	6 kph S	6 kph S	2 out of 5, cloud base 4477 ft	dry
Fri 21 Aug	Afternoon	No	13 kph SW	11 kph WSW	0 out of 5, cloud base 2005 ft	0.4 mm light rain
Fri 21 Aug	Afternoon	No	13 kph WSW	13 kph WSW	1 out of 5, cloud base 2339 ft	0.2 mm light rain

Latest Merthyr Common flying forecast