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 19, Saturday	21	19.4 67	761.8 29.99 1015.65 1015.65	764.0 30.08 1018.58 1018.58		79	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					15.7 60
	20	19.6 67	761.5 29.98 1015.25 1015.25	763.7 30.07 1018.18 1018.18		78	Wind blowing from the south-west				100%. 10/10. 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas					15.7 60
	19	20.1 68	760.9 29.96 1014.45 1014.45	763.2 30.05 1017.52 1017.52		78	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					16.1 61
	18	20.5 69	760.6 29.94 1014.05 1014.05	762.8 30.03 1016.98 1016.98		76	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							50%. 5/10. 4 oktas					16.1 61
	17	21.3 70	760.2 29.93 1013.52 1013.52	762.4 30.02 1016.45 1016.45		70	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					15.6 60
	16	21.5 71	760.0 29.92 1013.25 1013.25	762.2 30.01 1016.18 1016.18		68	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					15.4 60
	15	21.9 71	759.8 29.91 1012.98 1012.98	762.1 30 1016.05 1016.05		65	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					15.0 59
	14	22.8 73	759.7 29.91 1012.85 1012.85	761.8 29.99 1015.65 1015.65		60	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							70 – 80%. 7/10 – 8/10. 6 oktas					14.7 58
	13	22.8 73	759.4 29.9 1012.45 1012.45	761.6 29.98 1015.38 1015.38		57	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					13.9 57
	12	23.2 74	759.4 29.9 1012.45 1012.45	761.6 29.98 1015.38 1015.38		57	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					14.1 57
	11	21.1 70	759.2 29.89 1012.18 1012.18	761.5 29.98 1015.25 1015.25		61	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					13.3 56
	10	21.1 70	759.3 29.89 1012.32 1012.32	761.5 29.98 1015.25 1015.25		62	Wind blowing from the south-west				100%. 10/10. 8 oktas							60%. 6/10. 5 oktas					13.4 56
	09	19.1 66	759.1 29.89 1012.05 1012.05	761.2 29.97 1014.85 1014.85		69	Wind blowing from the south-west				100%. 10/10. 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas					13.3 56
	08	18.6 65	758.8 29.87 1011.65 1011.65	761.0 29.96 1014.58 1014.58		77	Wind blowing from the west-southwest				100%. 10/10. 8 oktas							60%. 6/10. 5 oktas					14.4 58
	07	17.8 64	758.4 29.86 1011.12 1011.12	760.6 29.94 1014.05 1014.05		81	Wind blowing from the south-west				20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas					14.4 58
	06	17.6 64	758.2 29.85 1010.85 1010.85	760.4 29.94 1013.78 1013.78		86	Wind blowing from the south-southwest				100%. 10/10. 8 oktas	Drizzle (not freezing) or snow grains.						100%. 10/10. 8 oktas					15.3 60
	05	17.2 63	758.2 29.85 1010.85 1010.85	760.3 29.93 1013.65 1013.65		87					100%. 10/10. 8 oktas	Drizzle and rain, slight.						100%. 10/10. 8 oktas					15.0 59
	04	17.2 63	758.1 29.85 1010.72 1010.72	760.3 29.93 1013.65 1013.65		85	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	Drizzle (not freezing) or snow grains.						50%. 5/10. 4 oktas					14.7 58
	03	17.6 64	758.2 29.85 1010.85 1010.85	760.4 29.94 1013.78 1013.78		83	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					14.6 58
	02	17.6 64	757.9 29.84 1010.45 1010.45	760.2 29.93 1013.52 1013.52		80	Wind blowing from the south-southwest				100%. 10/10. 8 oktas							60%. 6/10. 5 oktas					14.0 57
	01	17.5 64	758.2 29.85 1010.85 1010.85	760.4 29.94 1013.78 1013.78		78	Wind blowing from the south-west				100%. 10/10. 8 oktas							50%. 5/10. 4 oktas					13.6 56
	00	17.0 63	758.1 29.85 1010.72 1010.72	760.3 29.93 1013.65 1013.65		77	Wind blowing from the south-west				100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					13.0 55
September 18, Friday	23	17.1 63	758.5 29.86 1011.25 1011.25	760.8 29.95 1014.32 1014.32		74	Wind blowing from the south-west											60%. 6/10. 5 oktas					12.3 54
	22	17.1 63	758.2 29.85 1010.85 1010.85	760.3 29.93 1013.65 1013.65		72	Wind blowing from the south-west											100%. 10/10. 8 oktas					11.9 53
	21	17.1 63	758.1 29.85 1010.72 1010.72	760.3 29.93 1013.65 1013.65		71	Wind blowing from the south-west											100%. 10/10. 8 oktas					11.8 53