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 | |
| 2025 September 27, Saturday | 11 | 12.8 55 | 752.6 29.63 1003.38 1003.38 | 758.3 29.85 1010.98 1010.98 | -0.2 -0.01 -0.27 -0.27 | 92 | 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. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.8 1.7 | 11.5 53 | |||||||||||||||
10 | 13.0 55 | 752.8 29.64 1003.65 1003.65 | 758.5 29.86 1011.25 1011.25 | -0.2 -0.01 -0.27 -0.27 | 88 | 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. | 11.2 52 | 13.9 57 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 6.0 3.7 | 11.1 52 | 1.0 0.04 | 12 | ||||||||||||
09 | 13.7 57 | 752.9 29.64 1003.78 1003.78 | 758.5 29.86 1011.25 1011.25 | -0.2 -0.01 -0.27 -0.27 | 75 | Wind blowing from the south-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 19.0 11.8 | 9.4 49 | ||||||||||||||||
08 | 13.5 56 | 752.8 29.64 1003.65 1003.65 | 758.5 29.86 1011.25 1011.25 | -0.7 -0.03 -0.93 -0.93 | 73 | Wind blowing from the south-east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Drizzle and rain, slight. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 21.0 13.1 | 8.8 48 | ||||||||||||||||
07 | 13.7 57 | 753.0 29.65 1003.92 1003.92 | 758.7 29.87 1011.52 1011.52 | -1.0 -0.04 -1.33 -1.33 | 68 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 11.2 52 | 13.9 57 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 21.0 13.1 | 7.9 46 | No precipitation No precipitation | 12 | ||||||||||||
06 | 13.9 57 | 753.1 29.65 1004.05 1004.05 | 758.8 29.87 1011.65 1011.65 | -1.1 -0.04 -1.47 -1.47 | 70 | Wind blowing from the south-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 21.0 13.1 | 8.5 47 | |||||||||||||||||
05 | 13.6 56 | 753.5 29.67 1004.58 1004.58 | 759.1 29.89 1012.05 1012.05 | -1.4 -0.06 -1.87 -1.87 | 76 | 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 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | 9.4 49 | |||||||||||||||||
04 | 13.1 56 | 754.0 29.69 1005.25 1005.25 | 759.7 29.91 1012.85 1012.85 | -1.4 -0.06 -1.87 -1.87 | 78 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 20.0 12.4 | 9.4 49 | |||||||||||||||||
03 | 12.8 55 | 754.2 29.69 1005.52 1005.52 | 759.9 29.92 1013.12 1013.12 | -1.5 -0.06 -2 -2 | 73 | Wind blowing from the south-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 23.0 14.3 | 8.0 46 | |||||||||||||||||
02 | 12.8 55 | 754.9 29.72 1006.45 1006.45 | 760.6 29.94 1014.05 1014.05 | -1.3 -0.05 -1.73 -1.73 | 71 | 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 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 24.0 14.9 | 7.6 46 | |||||||||||||||||
01 | 12.4 54 | 755.4 29.74 1007.12 1007.12 | 761.1 29.96 1014.72 1014.72 | -1.3 -0.05 -1.73 -1.73 | 79 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 21.0 13.1 | 8.9 48 | No precipitation No precipitation | 6 | |||||||||||||||
00 | 12.0 54 | 755.7 29.75 1007.52 1007.52 | 761.5 29.98 1015.25 1015.25 | -1.3 -0.05 -1.73 -1.73 | 78 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 22.0 13.7 | 8.3 47 | |||||||||||||||||
| September 26, Friday | 23 | 11.3 52 | 756.2 29.77 1008.18 1008.18 | 762.0 30 1015.92 1015.92 | -1.0 -0.04 -1.33 -1.33 | 80 | 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 | 21.0 13.1 | 8.0 46 | ||||||||||||||||||
22 | 11.7 53 | 756.7 29.79 1008.85 1008.85 | 762.4 30.02 1016.45 1016.45 | -0.8 -0.03 -1.07 -1.07 | 77 | 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 | 11.5 53 | 16.6 62 | 22.0 13.7 | 7.8 46 | No precipitation No precipitation | 12 | |||||||||||||||
21 | 11.7 53 | 757.0 29.8 1009.25 1009.25 | 762.7 30.03 1016.85 1016.85 | -0.9 -0.04 -1.2 -1.2 | 79 | 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 | 22.0 13.7 | 8.2 47 | |||||||||||||||||||
20 | 12.0 54 | 757.2 29.81 1009.52 1009.52 | 762.9 30.04 1017.12 1017.12 | -0.6 -0.02 -0.8 -0.8 | 78 | 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 | 22.0 13.7 | 8.2 47 | |||||||||||||||||||
19 | 12.9 55 | 757.5 29.82 1009.92 1009.92 | 763.2 30.05 1017.52 1017.52 | -1.0 -0.04 -1.33 -1.33 | 74 | 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 | 10.7 51 | 16.6 62 | 24.0 14.9 | 8.4 47 | No precipitation No precipitation | 12 | |||||||||||||||
18 | 13.8 57 | 757.9 29.84 1010.45 1010.45 | 763.6 30.06 1018.05 1018.05 | -0.9 -0.04 -1.2 -1.2 | 68 | 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 | 23.0 14.3 | 7.9 46 | |||||||||||||||||||
17 | 15.0 59 | 757.8 29.83 1010.32 1010.32 | 763.5 30.06 1017.92 1017.92 | -1.6 -0.06 -2.13 -2.13 | 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 | 26.0 16.2 | 6.5 44 | |||||||||||||||||||
16 | 15.6 60 | 758.5 29.86 1011.25 1011.25 | 764.1 30.08 1018.72 1018.72 | -1.3 -0.05 -1.73 -1.73 | 55 | Wind blowing from the south-east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | no clouds no clouds no clouds | 25.0 15.5 | 6.6 44 | |||||||||||||||||||
15 | 15.9 61 | 758.8 29.87 1011.65 1011.65 | 764.5 30.1 1019.25 1019.25 | -1.4 -0.06 -1.87 -1.87 | 57 | Wind blowing from the south-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 | 600-1000 1968-3281 | 24.0 14.9 | 7.2 45 | |||||||||||||||||
14 | 16.2 61 | 759.4 29.9 1012.45 1012.45 | 765.0 30.12 1019.92 1019.92 | -1.0 -0.04 -1.33 -1.33 | 55 | Wind blowing from the south-east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 24.0 14.9 | 7.0 45 | |||||||||||||||||
13 | 15.7 60 | 759.8 29.91 1012.98 1012.98 | 765.4 30.13 1020.45 1020.45 | -1.0 -0.04 -1.33 -1.33 | 59 | Wind blowing from the south-east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | 24.0 14.9 | 7.7 46 | No precipitation No precipitation | 6 | |||||||||||||||
12 | 15.0 59 | 760.2 29.93 1013.52 1013.52 | 765.9 30.15 1021.12 1021.12 | -0.7 -0.03 -0.93 -0.93 | 69 | Wind blowing from the south-east | 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 | 300-600 984-1968 | 24.0 14.9 | 9.3 49 | |||||||||||||||||
11 | 14.7 58 | 760.4 29.94 1013.78 1013.78 | 766.1 30.16 1021.38 1021.38 | -0.6 -0.02 -0.8 -0.8 | 70 | 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 | 22.0 13.7 | 9.3 49 | |||||||||||||||||||