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 July 23, Thursday	04	16.5 62	765.6 30.14 1020.72 1020.72	767.8 30.23 1023.65 1023.65		80					no clouds no clouds no clouds												13.1 56
	03	16.1 61	765.8 30.15 1020.98 1020.98	768.1 30.24 1024.05 1024.05		79					no clouds no clouds no clouds												12.5 55
	01	18.5 65	766.0 30.16 1021.25 1021.25	768.2 30.24 1024.18 1024.18		70					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					12.8 55
	00	18.8 66	766.3 30.17 1021.65 1021.65	768.5 30.26 1024.58 1024.58		66					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas					12.3 54
July 22, Wednesday	23	19.0 66	766.2 30.17 1021.52 1021.52	768.4 30.25 1024.45 1024.45		66					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas					12.5 55
	22	20.1 68	766.3 30.17 1021.65 1021.65	768.4 30.25 1024.45 1024.45		63					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas					12.8 55
	21	22.3 72	765.7 30.15 1020.85 1020.85	767.9 30.23 1023.78 1023.78		52					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					11.9 53
	20	23.9 75	765.4 30.13 1020.45 1020.45	767.6 30.22 1023.38 1023.38		46					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					11.7 53
	19	25.3 78	765.1 30.12 1020.05 1020.05	767.3 30.21 1022.98 1022.98		42					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas					11.5 53
	18	26.3 79	765.1 30.12 1020.05 1020.05	767.2 30.2 1022.85 1022.85		38					100%. 10/10. 8 oktas							40%. 4/10. 3 oktas					10.8 51
	17	27.4 81	765.1 30.12 1020.05 1020.05	767.2 30.2 1022.85 1022.85		33					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					9.8 50
	16	27.6 82	765.4 30.13 1020.45 1020.45	767.6 30.22 1023.38 1023.38		33	Wind blowing from the west-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds												9.8 50
	15	25.6 78	765.9 30.15 1021.12 1021.12	768.1 30.24 1024.05 1024.05		42	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds												11.8 53
	14	25.2 77	766.3 30.17 1021.65 1021.65	768.5 30.26 1024.58 1024.58		45	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							50%. 5/10. 4 oktas	1000-1500 3281-4921				12.3 54
	13	24.2 76	766.6 30.18 1022.05 1022.05	768.7 30.26 1024.85 1024.85		49	Wind blowing from the north-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			50%. 5/10. 4 oktas							20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921				12.8 55
	12	24.2 76	766.8 30.19 1022.32 1022.32	769.0 30.28 1025.25 1025.25		50	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas							20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921				13.0 55
	11	23.8 75	766.9 30.19 1022.45 1022.45	769.1 30.28 1025.38 1025.38		52	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921				13.4 56
	10	22.1 72	767.2 30.2 1022.85 1022.85	769.3 30.29 1025.65 1025.65		58	Wind blowing from the south-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562				13.4 56
	09	20.7 69	767.2 30.2 1022.85 1022.85	769.4 30.29 1025.78 1025.78		62	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	1500-2000 4921-6562				13.1 56
	08	19.8 68	767.2 30.2 1022.85 1022.85	769.5 30.3 1025.92 1025.92		66	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562				13.3 56
	07	18.3 65	767.4 30.21 1023.12 1023.12	769.6 30.3 1026.05 1026.05		70	Wind blowing from the east	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							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562				12.7 55
	06	15.3 60	767.4 30.21 1023.12 1023.12	769.7 30.3 1026.18 1026.18		82	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds												12.3 54
	05	14.6 58	767.5 30.22 1023.25 1023.25	769.9 30.31 1026.45 1026.45		82	Wind blowing from the east-southeast	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							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562				11.5 53
	04	14.7 58	767.7 30.22 1023.52 1023.52	770.0 30.31 1026.58 1026.58		81	Wind blowing from the east	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							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562				11.5 53