Weather archive in Lake Vyrnwy

To receive explanations, hover over the appropriate heading

Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 June 28, Sunday	10	14.7 58	729.7 28.73 972.85 972.85	761.5 29.98 1015.25 1015.25		73	Wind blowing from the south-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				13.1 56	18.0 64		10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			40.0 24.9	9.8 50
	09	13.8 57	729.1 28.7 972.05 972.05	760.9 29.96 1014.45 1014.45		85	Wind blowing from the west-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	300-600 984-1968			40.0 24.9	11.3 52
	08	13.8 57	728.3 28.67 970.99 970.99	760.2 29.93 1013.52 1013.52		93	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Drizzle (not freezing) or snow grains.						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656			50.0 31.1	12.6 55
	07	13.9 57	727.6 28.65 970.05 970.05	759.4 29.9 1012.45 1012.45		98	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain.			13.1 56	20.6 69		100%. 10/10. 8 oktas	50-100 164-328			1.8 1.1	13.6 56	2.0 0.08	12
	06	13.2 56	727.4 28.64 969.79 969.79	759.3 29.89 1012.32 1012.32		98	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Drizzle.						100%. 10/10. 8 oktas	50-100 164-328			2.8 1.7	12.9 55
	05	13.6 56	727.3 28.63 969.65 969.65	759.1 29.89 1012.05 1012.05		95	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Drizzle (not freezing) or snow grains.						100%. 10/10. 8 oktas	100-200 328-656			28.0 17.4	12.8 55
	04	14.1 57	727.0 28.62 969.25 969.25	758.8 29.87 1011.65 1011.65		97	Wind blowing from the south-west	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, heavy.						100%. 10/10. 8 oktas	50-100 164-328			3.9 2.4	13.6 56
	03	15.7 60	726.8 28.61 968.99 968.99	758.4 29.86 1011.12 1011.12		98	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, heavy.						100%. 10/10. 8 oktas	Less than 50 Less than 50			1.9 1.2	15.4 60
	02	15.9 61	726.7 28.61 968.85 968.85	758.3 29.85 1010.98 1010.98		95	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Drizzle and rain, slight.						100%. 10/10. 8 oktas	100-200 328-656			3.0 1.9	15.1 59
	01	16.0 61	727.0 28.62 969.25 969.25	758.6 29.87 1011.38 1011.38		93	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, heavy.						100%. 10/10. 8 oktas	100-200 328-656			2.5 1.6	14.9 59	No precipitation No precipitation	6
	00	17.0 63	727.3 28.63 969.65 969.65	758.7 29.87 1011.52 1011.52		84	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	600-1000 1968-3281			29.0 18.0	14.3 58
June 27, Saturday	23	17.5 64	727.6 28.65 970.05 970.05	759.0 29.88 1011.92 1011.92		81	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1500-2000 4921-6562			30.0 18.6	14.2 58
	22	18.0 64	727.7 28.65 970.19 970.19	759.1 29.89 1012.05 1012.05		77	Wind blowing from the south	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				17.7 64	23.2 74		70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			35.0 21.8	13.9 57
	21	18.8 66	727.7 28.65 970.19 970.19	759.0 29.88 1011.92 1011.92		73	Wind blowing from the south	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			no clouds no clouds no clouds											35.0 21.8	13.8 57
	20	19.5 67	728.0 28.66 970.59 970.59	759.2 29.89 1012.18 1012.18		71	Wind blowing from the south	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			35.0 21.8	14.1 57
	19	20.6 69	728.0 28.66 970.59 970.59	759.1 29.89 1012.05 1012.05		68	Wind blowing from the south-southwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas				16.5 62	23.2 74		100%. 10/10. 8 oktas	600-1000 1968-3281			35.0 21.8	14.4 58	No precipitation No precipitation	12
	18	21.5 71	728.2 28.67 970.85 970.85	759.1 29.89 1012.05 1012.05		66	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	600-1000 1968-3281			35.0 21.8	14.8 59
	17	21.0 70	728.2 28.67 970.85 970.85	759.3 29.89 1012.32 1012.32		64	Wind blowing from the south	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			35.0 21.8	14.0 57
	16	21.6 71	728.4 28.68 971.12 971.12	759.4 29.9 1012.45 1012.45		62	Wind blowing from the south	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			30.0 18.6	14.0 57
	15	22.2 72	728.5 28.68 971.25 971.25	759.4 29.9 1012.45 1012.45		59	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			35.0 21.8	13.9 57
	14	22.8 73	728.7 28.69 971.52 971.52	759.6 29.91 1012.72 1012.72		58	Wind blowing from the south-southwest	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			35.0 21.8	14.2 58
	13	21.5 71	728.8 28.69 971.65 971.65	759.9 29.92 1013.12 1013.12		60	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			40.0 24.9	13.3 56	No precipitation No precipitation	6
	12	20.5 69	729.2 28.71 972.19 972.19	760.3 29.93 1013.65 1013.65		66	Wind blowing from the south	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	600-1000 1968-3281			40.0 24.9	13.8 57
	11	19.3 67	729.6 28.72 972.72 972.72	760.9 29.96 1014.45 1014.45		74	Wind blowing from the south	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	600-1000 1968-3281			40.0 24.9	14.5 58
	10	18.3 65	729.7 28.73 972.85 972.85	761.1 29.96 1014.72 1014.72		81	Wind blowing from the south	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas				14.3 58	18.3 65		100%. 10/10. 8 oktas	300-600 984-1968			30.0 18.6	15.0 59