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 September 17, Thursday | 10 | 11.7 53 | 748.3 29.46 997.65 997.65 | 753.9 29.68 1005.12 1005.12 | 92 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Precipitation | 11.2 52 | 14.0 57 | 100%. 10/10. 8 oktas | 100-200 328-656 | 22.0 13.7 | 10.5 51 | ||||||||||||||
09 | 11.6 53 | 748.2 29.46 997.52 997.52 | 753.8 29.68 1004.98 1004.98 | 91 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Drizzle. | 100%. 10/10. 8 oktas | 200-300 656-984 | 17.0 10.6 | 10.1 50 | |||||||||||||||||
08 | 11.5 53 | 748.3 29.46 997.65 997.65 | 753.9 29.68 1005.12 1005.12 | 88 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Drizzle, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 17.0 10.6 | 9.6 49 | |||||||||||||||||
07 | 11.3 52 | 748.3 29.46 997.65 997.65 | 754.0 29.69 1005.25 1005.25 | 90 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 11.3 52 | 14.0 57 | 100%. 10/10. 8 oktas | 200-300 656-984 | 7.0 4.4 | 9.7 49 | 0.4 0.02 | 12 | |||||||||||||
06 | 11.7 53 | 748.4 29.46 997.78 997.78 | 754.1 29.69 1005.38 1005.38 | 87 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 9.6 49 | ||||||||||||||||||
05 | 12.1 54 | 748.7 29.48 998.18 998.18 | 754.3 29.7 1005.65 1005.65 | 88 | Wind blowing from the west-southwest | 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 | 16.0 9.9 | 10.1 50 | ||||||||||||||||||
04 | 12.1 54 | 749.1 29.49 998.72 998.72 | 754.7 29.71 1006.18 1006.18 | 85 | Wind blowing from the west-southwest | 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 | 1500-2000 4921-6562 | 18.0 11.2 | 9.6 49 | ||||||||||||||||||
03 | 12.9 55 | 749.3 29.5 998.98 998.98 | 754.9 29.72 1006.45 1006.45 | 81 | Wind blowing from the west | 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 | 300-600 984-1968 | 22.0 13.7 | 9.6 49 | ||||||||||||||||||
02 | 13.9 57 | 749.2 29.5 998.85 998.85 | 754.9 29.72 1006.45 1006.45 | 84 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Rain (not freezing). | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 27.0 16.8 | 11.2 52 | |||||||||||||||||
01 | 13.9 57 | 749.1 29.49 998.72 998.72 | 754.7 29.71 1006.18 1006.18 | 95 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 100-200 328-656 | 23.0 14.3 | 13.1 56 | 0.4 0.02 | 6 | |||||||||||||||
00 | 13.7 57 | 749.2 29.5 998.85 998.85 | 754.8 29.72 1006.32 1006.32 | 91 | Wind blowing from the south-west | 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 | 200-300 656-984 | 20.0 12.4 | 12.3 54 | |||||||||||||||||
| September 16, Wednesday | 23 | 13.7 57 | 749.9 29.52 999.78 999.78 | 755.6 29.75 1007.38 1007.38 | 90 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.1 1.3 | 12.1 54 | ||||||||||||||||
22 | 13.8 57 | 750.7 29.56 1000.85 1000.85 | 756.4 29.78 1008.45 1008.45 | 89 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 12.9 55 | 15.7 60 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.4 1.5 | 12.0 54 | ||||||||||||||||
21 | 13.5 56 | 751.6 29.59 1002.05 1002.05 | 757.3 29.81 1009.65 1009.65 | 89 | 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 | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 6.0 3.7 | 11.7 53 | |||||||||||||||||
20 | 13.0 55 | 752.5 29.63 1003.25 1003.25 | 758.2 29.85 1010.85 1010.85 | 93 | Wind blowing from the south-southwest | 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 | 200-300 656-984 | 2.7 1.7 | 11.9 53 | |||||||||||||||||
19 | 13.2 56 | 753.6 29.67 1004.72 1004.72 | 759.3 29.89 1012.32 1012.32 | 91 | 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 | Rain. | 11.9 53 | 15.7 60 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 1.8 1.1 | 11.7 53 | 1.0 0.04 | 12 | |||||||||||||
18 | 13.7 57 | 754.3 29.7 1005.65 1005.65 | 760.0 29.92 1013.25 1013.25 | 84 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.9 1.8 | 11.1 52 | |||||||||||||||||
17 | 13.6 56 | 755.2 29.73 1006.85 1006.85 | 760.9 29.96 1014.45 1014.45 | 86 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.8 1.7 | 11.2 52 | |||||||||||||||||
16 | 15.4 60 | 756.0 29.76 1007.92 1007.92 | 761.7 29.99 1015.52 1015.52 | 75 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 11.0 6.8 | 10.9 52 | |||||||||||||||||
15 | 14.4 58 | 756.9 29.8 1009.12 1009.12 | 762.6 30.02 1016.72 1016.72 | 82 | Wind blowing from the south-west | 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 | 3.2 2.0 | 11.4 53 | |||||||||||||||||
14 | 14.5 58 | 757.6 29.83 1010.05 1010.05 | 763.3 30.05 1017.65 1017.65 | 76 | Wind blowing from the south-west | 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 | 600-1000 1968-3281 | 5.0 3.1 | 10.2 50 | |||||||||||||||||
13 | 14.8 59 | 758.0 29.84 1010.58 1010.58 | 763.7 30.07 1018.18 1018.18 | 72 | Wind blowing from the west | 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 | 45.0 28.0 | 9.7 49 | No precipitation No precipitation | 6 | ||||||||||||||||
12 | 14.6 58 | 758.5 29.86 1011.25 1011.25 | 764.2 30.09 1018.85 1018.85 | 70 | Wind blowing from the west | 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 | 600-1000 1968-3281 | 50.0 31.1 | 9.2 49 | ||||||||||||||||||
11 | 13.9 57 | 758.9 29.88 1011.78 1011.78 | 764.6 30.1 1019.38 1019.38 | 78 | Wind blowing from the west | 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 | 300-600 984-1968 | 50.0 31.1 | 10.1 50 | ||||||||||||||||||
10 | 13.0 55 | 759.1 29.89 1012.05 1012.05 | 764.9 30.11 1019.78 1019.78 | 84 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 11.9 53 | 13.8 57 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 60.0 37.3 | 10.3 51 | |||||||||||||||