Weather archive in Belfast / Aldergrove (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 7, Thursday	12	13.2 56	753.2 29.65 1004.18 1004.18	758.9 29.88 1011.78 1011.78		61	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			60%. 6/10. 5 oktas							60%. 6/10. 5 oktas	600-1000 1968-3281			30.0 18.6	5.7 42
	09	9.4 49	753.4 29.66 1004.45 1004.45	759.2 29.89 1012.18 1012.18		76	Wind blowing from the south	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	1500-2000 4921-6562			50.0 31.1	5.3 42
	08	8.6 47	753.4 29.66 1004.45 1004.45	759.1 29.89 1012.05 1012.05		84	Wind blowing from the south	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	1000-1500 3281-4921			35.0 21.8	6.0 43
	07	8.2 47	753.3 29.66 1004.32 1004.32	759.1 29.89 1012.05 1012.05		87	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				5.8 42	11.8 53		100%. 10/10. 8 oktas	1000-1500 3281-4921			26.0 16.2	6.1 43	No precipitation No precipitation	12
	06	7.9 46	753.2 29.65 1004.18 1004.18	759.0 29.88 1011.92 1011.92		87	Wind blowing from the south	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	1000-1500 3281-4921			24.0 14.9	5.9 43
	05	7.9 46	753.1 29.65 1004.05 1004.05	758.8 29.87 1011.65 1011.65		86	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1500-2000 4921-6562			25.0 15.5	5.7 42
	04	7.2 45	753.1 29.65 1004.05 1004.05	758.9 29.88 1011.78 1011.78		89	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	1500-2000 4921-6562			25.0 15.5	5.5 42
	03	7.5 46	753.1 29.65 1004.05 1004.05	758.9 29.88 1011.78 1011.78		81	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											30.0 18.6	4.5 40
	02	7.4 45	753.3 29.66 1004.32 1004.32	759.1 29.89 1012.05 1012.05		74	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											40.0 24.9	3.1 38
	00	7.4 45	753.8 29.68 1004.98 1004.98	759.6 29.91 1012.72 1012.72		79	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											35.0 21.8	3.9 39
May 6, Wednesday	23	7.7 46	753.8 29.68 1004.98 1004.98	759.6 29.91 1012.72 1012.72		76	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											40.0 24.9	3.7 39
	22	8.1 47	754.0 29.69 1005.25 1005.25	759.7 29.91 1012.85 1012.85		70	Wind blowing from the south-east	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				7.8 46	12.7 55		10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2000-2500 6562-8202			45.0 28.0	2.9 37
	21	9.3 49	754.1 29.69 1005.38 1005.38	759.8 29.91 1012.98 1012.98		71	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2000-2500 6562-8202			35.0 21.8	4.2 40
	20	10.4 51	754.0 29.69 1005.25 1005.25	759.7 29.91 1012.85 1012.85		67	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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	1500-2000 4921-6562			40.0 24.9	4.4 40
	19	11.8 53	754.0 29.69 1005.25 1005.25	759.7 29.91 1012.85 1012.85		60	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				5.0 41	12.7 55						45.0 28.0	4.3 40	0.6 0.02	12
	18	12.1 54	754.1 29.69 1005.38 1005.38	759.8 29.91 1012.98 1012.98		56	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			50.0 31.1	3.6 38
	17	11.8 53	754.5 29.7 1005.92 1005.92	760.2 29.93 1013.52 1013.52		55	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	1000-1500 3281-4921			60.0 37.3	3.0 37
	16	11.5 53	754.9 29.72 1006.45 1006.45	760.6 29.94 1014.05 1014.05		57	Wind blowing from the south-southeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	600-1000 1968-3281			50.0 31.1	3.2 38
	15	10.8 51	755.2 29.73 1006.85 1006.85	761.0 29.96 1014.58 1014.58		74	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	300-600 984-1968			26.0 16.2	6.3 43
	14	10.4 51	755.4 29.74 1007.12 1007.12	761.2 29.97 1014.85 1014.85		66	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	1000-1500 3281-4921			45.0 28.0	4.2 40
	13	9.2 49	755.6 29.75 1007.38 1007.38	761.4 29.98 1015.12 1015.12		78	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	Rain, not freezing, slight.						100%. 10/10. 8 oktas	300-600 984-1968			35.0 21.8	5.5 42	0.6 0.02	6
	12	8.3 47	755.8 29.76 1007.65 1007.65	761.6 29.98 1015.38 1015.38		90	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	Rain, not freezing, slight.						100%. 10/10. 8 oktas	300-600 984-1968			35.0 21.8	6.8 44