Weather archive in Belfast / Aldergrove (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 May 23, Saturday	18	17.9 64	763.9 30.07 1018.45 1018.45	769.6 30.3 1026.05 1026.05		57	Wind blowing from the south-west	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	1000-1500 3281-4921			45.0 28.0	9.1 48
	17	18.7 66	764.0 30.08 1018.58 1018.58	769.6 30.3 1026.05 1026.05		56	Wind blowing from the south-west	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	1000-1500 3281-4921			55.0 34.2	9.8 50
	16	17.7 64	764.2 30.09 1018.85 1018.85	769.8 30.31 1026.32 1026.32		55	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921			50.0 31.1	8.5 47
	15	17.6 64	764.1 30.08 1018.72 1018.72	769.7 30.3 1026.18 1026.18		61	Wind blowing from the south-southwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			40.0 24.9	9.9 50
	14	16.9 62	764.1 30.08 1018.72 1018.72	769.8 30.31 1026.32 1026.32		65	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											45.0 28.0	10.3 51
	13	16.0 61	763.9 30.07 1018.45 1018.45	769.6 30.3 1026.05 1026.05		67	Wind blowing from the south-southwest	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	600-1000 1968-3281			35.0 21.8	9.9 50	No precipitation No precipitation	6
	12	15.3 60	763.8 30.07 1018.32 1018.32	769.5 30.3 1025.92 1025.92		70	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281			40.0 24.9	9.9 50
	11	14.1 57	763.3 30.05 1017.65 1017.65	769.1 30.28 1025.38 1025.38		71	Wind blowing from the south-southwest	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.			40.0 24.9	8.8 48
	10	13.8 57	763.1 30.04 1017.38 1017.38	768.9 30.27 1025.12 1025.12		75	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 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				9.7 49	14.8 59		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			30.0 18.6	9.5 49
	09	13.0 55	763.0 30.04 1017.25 1017.25	768.7 30.26 1024.85 1024.85		77	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 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	300-600 984-1968			30.0 18.6	9.1 48
	08	12.4 54	762.7 30.03 1016.85 1016.85	768.4 30.25 1024.45 1024.45		81	Wind blowing from the south-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			30.0 18.6	9.2 49
	07	11.4 53	762.1 30 1016.05 1016.05	767.9 30.23 1023.78 1023.78		86	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			50%. 5/10. 4 oktas				9.7 49	15.8 60		50%. 5/10. 4 oktas	600-1000 1968-3281			30.0 18.6	9.1 48	No precipitation No precipitation	12
	06	10.3 51	761.8 29.99 1015.65 1015.65	767.5 30.22 1023.25 1023.25		91	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	600-1000 1968-3281			30.0 18.6	8.8 48
	05	10.0 50	761.5 29.98 1015.25 1015.25	767.4 30.21 1023.12 1023.12		91	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											27.0 16.8	8.5 47
	04	10.9 52	761.3 29.97 1014.98 1014.98	767.1 30.2 1022.72 1022.72		89	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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	300-600 984-1968			27.0 16.8	9.2 49
	03	11.4 53	760.9 29.96 1014.45 1014.45	766.6 30.18 1022.05 1022.05		88	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											29.0 18.0	9.5 49
	02	12.1 54	760.3 29.93 1013.65 1013.65	766.0 30.16 1021.25 1021.25		88	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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	300-600 984-1968			30.0 18.6	10.1 50
	01	13.4 56	760.2 29.93 1013.52 1013.52	765.9 30.15 1021.12 1021.12		88	Wind blowing from the south-west	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	300-600 984-1968			40.0 24.9	11.4 53	No precipitation No precipitation	6
	00	13.5 56	759.9 29.92 1013.12 1013.12	765.6 30.14 1020.72 1020.72		86	Wind blowing from the south-west	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							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281			40.0 24.9	11.2 52
May 22, Friday	23	14.6 58	759.4 29.9 1012.45 1012.45	765.1 30.12 1020.05 1020.05		84	Wind blowing from the south	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	600-1000 1968-3281			35.0 21.8	11.9 53
	22	14.7 58	759.2 29.89 1012.18 1012.18	764.9 30.11 1019.78 1019.78		80	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				14.7 58	18.5 65		100%. 10/10. 8 oktas	1000-1500 3281-4921			40.0 24.9	11.2 52
	21	15.4 60	758.9 29.88 1011.78 1011.78	764.6 30.1 1019.38 1019.38		75	Wind blowing from the south	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	2000-2500 6562-8202			50.0 31.1	10.9 52
	20	15.5 60	758.7 29.87 1011.52 1011.52	764.4 30.09 1019.12 1019.12		76	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	2000-2500 6562-8202			40.0 24.9	11.2 52
	19	15.8 60	758.6 29.87 1011.38 1011.38	764.3 30.09 1018.98 1018.98		75	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 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	Rain (not freezing).			14.2 58	18.5 65		90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281			35.0 21.8	11.4 53	0.6 0.02	12
	18	15.9 61	758.5 29.86 1011.25 1011.25	764.2 30.09 1018.85 1018.85		81	Wind blowing from the south	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	1500-2000 4921-6562			17.0 10.6	12.6 55