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
2025 March 22, Saturday	09	12.5 55	748.3 29.46 997.65 997.65	750.5 29.55 1000.58 1000.58	0.2 0.01 0.27 0.27	88	Wind blowing from the east	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				10.6 51	12.6 55		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			20.0 12.4	10.6 51	0.4 0.02	12
	08	12.0 54	748.1 29.45 997.38 997.38	750.4 29.54 1000.45 1000.45	0.4 0.02 0.53 0.53	91	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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	2500 or more, or no clouds. 8202 or more, or no clouds.			21.0 13.1	10.5 51
	07	11.4 53	748.2 29.46 997.52 997.52	750.4 29.54 1000.45 1000.45	0.2 0.01 0.27 0.27	93	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			24.0 14.9	10.3 51
	06	10.9 52	748.1 29.45 997.38 997.38	750.4 29.54 1000.45 1000.45	-0.1 -0 -0.13 -0.13	94	Wind blowing from the east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				10.6 51	15.2 59		100%. 10/10. 8 oktas	1000-1500 3281-4921			19.0 11.8	10.0 50	0.8 0.03	12
	05	11.1 52	747.7 29.44 996.85 996.85	750.0 29.53 999.92 999.92	-0.6 -0.02 -0.8 -0.8	92	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			25.0 15.5	9.8 50
	04	11.0 52	748.0 29.45 997.25 997.25	750.3 29.54 1000.32 1000.32	-0.5 -0.02 -0.67 -0.67	91	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	9.5 49
	03	10.9 52	748.2 29.46 997.52 997.52	750.4 29.54 1000.45 1000.45	-0.4 -0.02 -0.53 -0.53	91	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	9.4 49
	02	11.6 53	748.3 29.46 997.65 997.65	750.6 29.55 1000.72 1000.72	-0.6 -0.02 -0.8 -0.8	88	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	9.6 49
	01	12.2 54	748.5 29.47 997.92 997.92	750.7 29.56 1000.85 1000.85	-0.9 -0.04 -1.2 -1.2	87	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1500-2000 4921-6562			30.0 18.6	10.1 50
	00	12.4 54	748.6 29.47 998.05 998.05	750.8 29.56 1000.98 1000.98	-1.2 -0.05 -1.6 -1.6	87	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	10.3 51	0.8 0.03	6
March 21, Friday	23	12.1 54	748.9 29.48 998.45 998.45	751.1 29.57 1001.38 1001.38	-0.9 -0.04 -1.2 -1.2	92	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											20.0 12.4	10.9 52
	22	11.9 53	749.4 29.5 999.12 999.12	751.6 29.59 1002.05 1002.05	-0.1 -0 -0.13 -0.13	94	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			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	600-1000 1968-3281			13.0 8.1	11.0 52
	21	12.6 55	749.8 29.52 999.65 999.65	752.0 29.61 1002.58 1002.58	0.4 0.02 0.53 0.53	89	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.			12.6 55	18.9 66		100%. 10/10. 8 oktas	300-600 984-1968			13.0 8.1	10.8 51	0.4 0.02	12
	20	15.1 59	749.8 29.52 999.65 999.65	751.9 29.6 1002.45 1002.45	0.1 0 0.13 0.13	64	Wind blowing from the south-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			50%. 5/10. 4 oktas	Rain, not freezing, slight.						50%. 5/10. 4 oktas	600-1000 1968-3281			18.0 11.2	8.4 47
	19	14.9 59	749.5 29.51 999.25 999.25	751.7 29.59 1002.18 1002.18	-0.3 -0.01 -0.4 -0.4	64	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											28.0 17.4	8.1 47
	18	15.2 59	749.4 29.5 999.12 999.12	751.6 29.59 1002.05 1002.05	-1.0 -0.04 -1.33 -1.33	61	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds				10.1 50	18.9 66						29.0 18.0	7.7 46	No precipitation No precipitation	12
	17	15.9 61	749.7 29.52 999.52 999.52	751.9 29.6 1002.45 1002.45	-1.1 -0.04 -1.47 -1.47	57	Wind blowing from the south-east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			no clouds no clouds no clouds											30.0 18.6	7.3 45
	16	16.6 62	749.8 29.52 999.65 999.65	751.9 29.6 1002.45 1002.45	-1.9 -0.07 -2.53 -2.53	55	Wind blowing from the south-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											30.0 18.6	7.4 45
	15	16.9 62	750.4 29.54 1000.45 1000.45	752.5 29.63 1003.25 1003.25	-1.5 -0.06 -2 -2	53	Wind blowing from the south-east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			no clouds no clouds no clouds											30.0 18.6	7.3 45
	14	17.4 63	750.8 29.56 1000.98 1000.98	753.1 29.65 1004.05 1004.05	-2.3 -0.09 -3.07 -3.07	53	Wind blowing from the east-southeast	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	7.6 46
	13	16.7 62	751.7 29.59 1002.18 1002.18	754.0 29.69 1005.25 1005.25	-2.2 -0.09 -2.93 -2.93	54	Wind blowing from the east-southeast	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							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			35.0 21.8	7.4 45
	12	16.0 61	751.9 29.6 1002.45 1002.45	754.1 29.69 1005.38 1005.38	-2.7 -0.11 -3.6 -3.6	54	Wind blowing from the east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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	2500 or more, or no clouds. 8202 or more, or no clouds.			40.0 24.9	6.7 44	No precipitation No precipitation	6
	11	15.6 60	753.1 29.65 1004.05 1004.05	755.3 29.74 1006.98 1006.98	-1.8 -0.07 -2.4 -2.4	57	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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	2500 or more, or no clouds. 8202 or more, or no clouds.			35.0 21.8	7.0 45
	10	14.3 58	753.9 29.68 1005.12 1005.12	756.1 29.77 1008.05 1008.05	-1.3 -0.05 -1.73 -1.73	60	Wind blowing from the east-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	6.5 44
	09	13.1 56	754.6 29.71 1006.05 1006.05	756.9 29.8 1009.12 1009.12	-1.0 -0.04 -1.33 -1.33	65	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				9.4 49	13.1 56		100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			17.0 10.6	6.6 44	No precipitation No precipitation	12

Period	Mean value	Minimum value (date)	Maximum value (date)	Number of observations
15.03.2025 - 21.03.2025, all days	+9.7 +49.0	-0.3 +31.0 (17.03.2025)	+25.4 +78.0 (21.03.2025)	38

Period	Mean value	Minimum value (date)	Maximum value (date)	Number of observations
15.03.2025 - 21.03.2025, all days	706.9 27.8 942.5 942.5	704.2 27.7 938.9 938.9 (19.03.2025)	711.4 28.0 948.5 948.5 (19.03.2025)	37

Period	Mean value	Minimum value (date)	Maximum value (date)	Number of observations
15.03.2025 - 21.03.2025, all days	766.6 30.2 1022.0 1022.0	761.3 30.0 1015.0 1015.0 (19.03.2025)	771.1 30.4 1028.1 1028.1 (17.03.2025)	37

Period	Mean value	Minimum value (date)	Number of observations
15.03.2025 - 21.03.2025, all days	49	12 (21.03.2025)	38

Period	N	NNE	NE	ENE	E	ESE	SE	SSE	S	SSW	SW	WSW	W	WNW	NW	NNW	variable wind direction	calm	Number of observations
15.03.2025 - 21.03.2025, all days	7.9 %	13.2 %	5.3 %	2.6 %	2.6 %	0 %	2.6 %	2.6 %	10.5 %	7.9 %	7.9 %	7.9 %	2.6 %	0 %	10.5 %	0 %	0 %	15.8 %	38

Period	Total precipitation	Maximum value (date)	Number of days with precipitation	Number of observations
15.03.2025 - 21.03.2025, all days	-	-	-	1

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