Weather archive in London / Heathrow (airport)

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 May 17, Sunday	00	11.2 52	753.8 29.68 1004.98 1004.98	756.1 29.77 1008.05 1008.05		91	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										60%. 6/10. 5 oktas	2000-2500 6562-8202				9.8 50
May 16, Saturday	23	11.2 52	753.9 29.68 1005.12 1005.12	756.1 29.77 1008.05 1008.05		91	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										70 – 80%. 7/10 – 8/10. 6 oktas					9.8 50
	22	11.3 52	754.0 29.69 1005.25 1005.25	756.3 29.78 1008.32 1008.32		92	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.				10.1 50
	21	11.6 53	754.0 29.69 1005.25 1005.25	756.3 29.78 1008.32 1008.32		91	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										50%. 5/10. 4 oktas					10.1 50
	20	11.5 53	753.8 29.68 1004.98 1004.98	756.1 29.77 1008.05 1008.05		91	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										60%. 6/10. 5 oktas	1500-2000 4921-6562				10.0 50
	19	11.9 53	753.8 29.68 1004.98 1004.98	756.1 29.77 1008.05 1008.05		84	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										100%. 10/10. 8 oktas					9.3 49
	18	12.0 54	753.7 29.67 1004.85 1004.85	756.0 29.76 1007.92 1007.92		83	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										100%. 10/10. 8 oktas	1500-2000 4921-6562				9.2 49
	17	12.2 54	753.7 29.67 1004.85 1004.85	756.0 29.76 1007.92 1007.92		86	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)										100%. 10/10. 8 oktas					9.9 50
	16	14.2 58	753.7 29.67 1004.85 1004.85	755.9 29.76 1007.78 1007.78		57	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										100%. 10/10. 8 oktas					5.8 42
	15	14.2 58	753.7 29.67 1004.85 1004.85	756.0 29.76 1007.92 1007.92		55	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					5.3 42
	14	14.2 58	754.0 29.69 1005.25 1005.25	756.1 29.77 1008.05 1008.05		56	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										70 – 80%. 7/10 – 8/10. 6 oktas					5.5 42
	13	14.2 58	754.0 29.69 1005.25 1005.25	756.2 29.77 1008.18 1008.18		52	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas					4.5 40
	12	14.6 58	754.0 29.69 1005.25 1005.25	756.1 29.77 1008.05 1008.05		49	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										100%. 10/10. 8 oktas					3.8 39
	11	15.3 60	754.0 29.69 1005.25 1005.25	756.3 29.78 1008.32 1008.32		47	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)										100%. 10/10. 8 oktas					4.0 39
	10	12.9 55	754.2 29.69 1005.52 1005.52	756.4 29.78 1008.45 1008.45		53	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										60%. 6/10. 5 oktas					3.4 38
	09	12.1 54	754.3 29.7 1005.65 1005.65	756.5 29.78 1008.58 1008.58		55	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										50%. 5/10. 4 oktas					3.3 38
	08	10.0 50	754.3 29.7 1005.65 1005.65	756.6 29.79 1008.72 1008.72		64	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										100%. 10/10. 8 oktas					3.5 38
	07	7.8 46	754.3 29.7 1005.65 1005.65	756.5 29.78 1008.58 1008.58		74	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										100%. 10/10. 8 oktas					3.4 38
	06	6.6 44	754.2 29.69 1005.52 1005.52	756.5 29.78 1008.58 1008.58		73	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)										20–30%. 2/10–3/10. 2 oktas					2.0 36
	05	3.8 39	754.0 29.69 1005.25 1005.25	756.4 29.78 1008.45 1008.45		80	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)										10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					0.6 33
	04	5.4 42	754.1 29.69 1005.38 1005.38	756.4 29.78 1008.45 1008.45		75	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)										70 – 80%. 7/10 – 8/10. 6 oktas					1.3 34
	03	5.8 42	754.2 29.69 1005.52 1005.52	756.5 29.78 1008.58 1008.58		69	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															0.5 33
	02	6.3 43	754.3 29.7 1005.65 1005.65	756.6 29.79 1008.72 1008.72		68	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)										100%. 10/10. 8 oktas					0.7 33
	01	6.6 44	754.2 29.69 1005.52 1005.52	756.4 29.78 1008.45 1008.45		63	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)															0.0 32
	00	7.7 46	754.1 29.69 1005.38 1005.38	756.4 29.78 1008.45 1008.45		59	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)										10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					0.2 32