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 January 5, Monday	21	1.3 34	758.9 29.88 1011.78 1011.78	764.9 30.11 1019.78 1019.78	0.1 0 0.13 0.13	92	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				-0.9 30	2.0 36		100%. 10/10. 8 oktas	600-1000 1968-3281			18.0 11.2	0.1 32	1.0 0.04	12
	20	1.1 34	759.0 29.88 1011.92 1011.92	764.9 30.11 1019.78 1019.78	0.5 0.02 0.67 0.67	92	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	600-1000 1968-3281			18.0 11.2	-0.1 32
	19	-0.4 31	759.0 29.88 1011.92 1011.92	765.0 30.12 1019.92 1019.92	0.5 0.02 0.67 0.67	92	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	1000-1500 3281-4921			19.0 11.8	-1.6 29
	18	-0.1 32	758.8 29.87 1011.65 1011.65	764.8 30.11 1019.65 1019.65	0.6 0.02 0.8 0.8	92	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas				-3.3 26	2.0 36		40%. 4/10. 3 oktas	300-600 984-1968			24.0 14.9	-1.3 30	1.0 0.04	12
	17	0.1 32	758.5 29.86 1011.25 1011.25	764.5 30.1 1019.25 1019.25	0.3 0.01 0.4 0.4	94	Wind blowing from the west-northwest	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	100-200 328-656			19.0 11.8	-0.8 31
	16	1.5 35	758.5 29.86 1011.25 1011.25	764.5 30.1 1019.25 1019.25	0.4 0.02 0.53 0.53	85	Wind blowing from the west	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	600-1000 1968-3281			26.0 16.2	-0.8 31
	15	1.4 35	758.2 29.85 1010.85 1010.85	764.2 30.09 1018.85 1018.85	0.0 0 0 0	91	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	100-200 328-656			24.0 14.9	0.0 32
	14	1.2 34	758.2 29.85 1010.85 1010.85	764.2 30.09 1018.85 1018.85	0.0 0 0 0	92	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas	Rain (not freezing).						60%. 6/10. 5 oktas	100-200 328-656			26.0 16.2	0.1 32
	13	1.2 34	758.1 29.85 1010.72 1010.72	764.0 30.08 1018.58 1018.58	0.2 0.01 0.27 0.27	91	Wind blowing from the west-northwest	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	100-200 328-656			22.0 13.7	-0.2 32
	12	0.8 33	758.2 29.85 1010.85 1010.85	764.2 30.09 1018.85 1018.85	0.8 0.03 1.07 1.07	94	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Snow						100%. 10/10. 8 oktas	50-100 164-328			22.0 13.7	0.0 32	No precipitation No precipitation	6
	11	0.4 33	758.2 29.85 1010.85 1010.85	764.2 30.09 1018.85 1018.85	1.2 0.05 1.6 1.6	96	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Precipitation						70 – 80%. 7/10 – 8/10. 6 oktas	50-100 164-328			18.0 11.2	-0.2 32
	10	0.6 33	757.9 29.84 1010.45 1010.45	763.9 30.07 1018.45 1018.45	1.6 0.06 2.13 2.13	97	Wind blowing from the west-northwest	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	Snow						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			5.0 3.1	0.1 32
	09	-0.3 31	757.4 29.82 1009.78 1009.78	763.4 30.06 1017.78 1017.78	1.6 0.06 2.13 2.13	97	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas	Snow			-3.3 26	0.3 33		50%. 5/10. 4 oktas	1000-1500 3281-4921			19.0 11.8	-0.7 31	No precipitation No precipitation	12
	08	0.1 32	757.0 29.8 1009.25 1009.25	762.9 30.04 1017.12 1017.12	1.5 0.06 2 2	97	Wind blowing from the north-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	Snow						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656			1.0 0.6	-0.3 31
	07	-2.3 28	756.3 29.78 1008.32 1008.32	762.3 30.01 1016.32 1016.32	1.2 0.05 1.6 1.6	96	Calm, no wind	Calm			no clouds no clouds no clouds											15.0 9.3	-2.8 27
	06	-2.2 28	755.8 29.76 1007.65 1007.65	761.8 29.99 1015.65 1015.65	0.8 0.03 1.07 1.07	95	Calm, no wind	Calm			no clouds no clouds no clouds				-2.9 27	0.7 33						11.0 6.8	-2.9 27	No precipitation No precipitation	12
	05	-0.1 32	755.5 29.74 1007.25 1007.25	761.4 29.98 1015.12 1015.12	0.7 0.03 0.93 0.93	97	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Snow						70 – 80%. 7/10 – 8/10. 6 oktas	100-200 328-656			26.0 16.2	-0.5 31
	04	-1.1 30	755.1 29.73 1006.72 1006.72	761.1 29.96 1014.72 1014.72	0.2 0.01 0.27 0.27	94	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Snow						70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			6.0 3.7	-2.0 28
	03	-2.6 27	755.0 29.72 1006.58 1006.58	761.1 29.96 1014.72 1014.72	0.2 0.01 0.27 0.27	92	Wind blowing from the north-northwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	300-600 984-1968			20.0 12.4	-3.7 25
	02	-1.8 29	754.8 29.72 1006.32 1006.32	760.8 29.95 1014.32 1014.32	0.1 0 0.13 0.13	94	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 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.			20.0 12.4	-2.7 27
	01	-1.6 29	754.9 29.72 1006.45 1006.45	760.9 29.96 1014.45 1014.45	0.4 0.02 0.53 0.53	96	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											20.0 12.4	-2.1 28
	00	-2.9 27	754.8 29.72 1006.32 1006.32	760.8 29.95 1014.32 1014.32	0.5 0.02 0.67 0.67	96	Wind blowing from the north-northwest	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	Snow						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			11.0 6.8	-3.4 26	No precipitation No precipitation	6
January 4, Sunday	23	-0.5 31	754.7 29.71 1006.18 1006.18	760.7 29.95 1014.18 1014.18	0.7 0.03 0.93 0.93	98	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			60%. 6/10. 5 oktas	Snow, heavy.						60%. 6/10. 5 oktas	100-200 328-656			0.3 0.2	-0.8 31
	22	-1.3 30	754.5 29.7 1005.92 1005.92	760.5 29.94 1013.92 1013.92	0.6 0.02 0.8 0.8	97	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	Snow, slight.						20–30%. 2/10–3/10. 2 oktas	100-200 328-656			16.0 9.9	-1.7 29
	21	-1.4 29	754.3 29.7 1005.65 1005.65	760.3 29.93 1013.65 1013.65	0.6 0.02 0.8 0.8	98	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas	Snow, slight.			-1.9 29	1.8 35		50%. 5/10. 4 oktas	600-1000 1968-3281			7.0 4.4	-1.7 29	3.0 0.12	12