Weather archive in London / Heathrow (airport)

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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 September 18, Friday	04	11.4 53	757.9 29.84 1010.45 1010.45	760.2 29.93 1013.52 1013.52		86	Wind blowing from the south-west				no clouds no clouds no clouds												9.2 49
	03	11.7 53	757.6 29.83 1010.05 1010.05	759.9 29.92 1013.12 1013.12		85	Wind blowing from the west-southwest				no clouds no clouds no clouds												9.3 49
	02	11.8 53	757.5 29.82 1009.92 1009.92	759.7 29.91 1012.85 1012.85		84	Wind blowing from the west-southwest				no clouds no clouds no clouds												9.1 48
	01	12.3 54	757.4 29.82 1009.78 1009.78	759.7 29.91 1012.85 1012.85		82	Wind blowing from the west-southwest				no clouds no clouds no clouds												9.2 49
	00	13.2 56	757.1 29.81 1009.38 1009.38	759.4 29.9 1012.45 1012.45		75	Wind blowing from the west-southwest				no clouds no clouds no clouds												8.9 48
September 17, Thursday	23	13.5 56	757.2 29.81 1009.52 1009.52	759.4 29.9 1012.45 1012.45		72	Wind blowing from the west				no clouds no clouds no clouds												8.6 47
	22	14.7 58	756.9 29.8 1009.12 1009.12	759.1 29.89 1012.05 1012.05		68	Wind blowing from the west				10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					8.7 48
	21	15.6 60	756.6 29.79 1008.72 1008.72	758.8 29.87 1011.65 1011.65		62	Wind blowing from the west				20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas					8.3 47
	20	16.9 62	756.4 29.78 1008.45 1008.45	758.5 29.86 1011.25 1011.25		53	Wind blowing from the west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					7.2 45
	19	17.2 63	755.9 29.76 1007.78 1007.78	758.2 29.85 1010.85 1010.85		51	Wind blowing from the west				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					6.8 44
	18	18.4 65	755.5 29.74 1007.25 1007.25	757.7 29.83 1010.18 1010.18		44	Wind blowing from the west				10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					5.8 42
	17	19.7 67	755.3 29.74 1006.98 1006.98	757.6 29.83 1010.05 1010.05		38	Wind blowing from the west-northwest				50%. 5/10. 4 oktas							50%. 5/10. 4 oktas					4.8 41
	16	19.6 67	755.3 29.74 1006.98 1006.98	757.5 29.82 1009.92 1009.92		45	Wind blowing from the west-northwest				100%. 10/10. 8 oktas							50%. 5/10. 4 oktas					7.2 45
	15	20.8 69	755.2 29.73 1006.85 1006.85	757.3 29.81 1009.65 1009.65		36	Wind blowing from the west				60%. 6/10. 5 oktas							60%. 6/10. 5 oktas					5.1 41
	14	21.8 71	755.2 29.73 1006.85 1006.85	757.3 29.81 1009.65 1009.65		39	Wind blowing from the west				20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas					7.1 45
	13	21.5 71	755.2 29.73 1006.85 1006.85	757.3 29.81 1009.65 1009.65		41	Wind blowing from the west				50%. 5/10. 4 oktas							40%. 4/10. 3 oktas					7.5 46
	12	19.1 66	755.4 29.74 1007.12 1007.12	757.6 29.83 1010.05 1010.05		56	Wind blowing from the west-northwest				10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Rain (not freezing).						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0					10.2 50
	11	20.9 70	755.3 29.74 1006.98 1006.98	757.5 29.82 1009.92 1009.92		67	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					14.4 58
	10	17.5 64	755.6 29.75 1007.38 1007.38	757.8 29.83 1010.32 1010.32		83	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					14.6 58
	09	16.0 61	755.5 29.74 1007.25 1007.25	757.6 29.83 1010.05 1010.05		89	Wind blowing from the south-southwest				100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas					14.1 57
	08	14.6 58	755.9 29.76 1007.78 1007.78	758.2 29.85 1010.85 1010.85		93	Wind blowing from the south-west				100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas					13.4 56
	07	14.1 57	756.2 29.77 1008.18 1008.18	758.5 29.86 1011.25 1011.25		91	Wind blowing from the south-southwest				100%. 10/10. 8 oktas	Rain (not freezing).						70 – 80%. 7/10 – 8/10. 6 oktas					12.6 55
	06	14.8 59	756.6 29.79 1008.72 1008.72	758.8 29.87 1011.65 1011.65		79	Wind blowing from the south-west				90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain, not freezing, slight.						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas					11.1 52
	05	14.2 58	756.9 29.8 1009.12 1009.12	759.1 29.89 1012.05 1012.05		79	Wind blowing from the south-southwest				60%. 6/10. 5 oktas							60%. 6/10. 5 oktas					10.5 51
	04	14.0 57	757.6 29.83 1010.05 1010.05	759.8 29.91 1012.98 1012.98		78					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					10.2 50