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 14, Thursday | 12 | 10.3 51 | 749.3 29.5 998.98 998.98 | 755.0 29.72 1006.58 1006.58 | 75 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 6.1 43 | ||||||||||||||||
11 | 7.8 46 | 749.6 29.51 999.38 999.38 | 755.4 29.74 1007.12 1007.12 | 83 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 6.0 3.7 | 5.0 41 | |||||||||||||||||
10 | 8.0 46 | 749.7 29.52 999.52 999.52 | 755.5 29.74 1007.25 1007.25 | 81 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain. | 6.6 44 | 9.2 49 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 45.0 28.0 | 4.9 41 | |||||||||||||||
09 | 8.3 47 | 749.5 29.51 999.25 999.25 | 755.2 29.73 1006.85 1006.85 | 72 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 45.0 28.0 | 3.5 38 | ||||||||||||||||||
08 | 8.0 46 | 749.5 29.51 999.25 999.25 | 755.2 29.73 1006.85 1006.85 | 86 | Wind blowing from the north-west | 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). | 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 | 26.0 16.2 | 5.8 42 | |||||||||||||||||
07 | 7.1 45 | 749.7 29.52 999.52 999.52 | 755.5 29.74 1007.25 1007.25 | 88 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 6.6 44 | 10.3 51 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 40.0 24.9 | 5.2 41 | 0.2 0.01 | 12 | |||||||||||||
06 | 7.0 45 | 749.6 29.51 999.38 999.38 | 755.4 29.74 1007.12 1007.12 | 85 | 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 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 27.0 16.8 | 4.6 40 | ||||||||||||||||||
05 | 7.2 45 | 749.7 29.52 999.52 999.52 | 755.5 29.74 1007.25 1007.25 | 87 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 27.0 16.8 | 5.1 41 | |||||||||||||||||
04 | 7.2 45 | 749.8 29.52 999.65 999.65 | 755.5 29.74 1007.25 1007.25 | 88 | Wind blowing from the north-northwest | 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 | 300-600 984-1968 | 28.0 17.4 | 5.4 42 | |||||||||||||||||
03 | 7.0 45 | 749.7 29.52 999.52 999.52 | 755.5 29.74 1007.25 1007.25 | 87 | Wind blowing from the north-northwest | 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 | 300-600 984-1968 | 35.0 21.8 | 4.9 41 | |||||||||||||||||
01 | 7.7 46 | 749.8 29.52 999.65 999.65 | 755.5 29.74 1007.25 1007.25 | 84 | Wind blowing from the west-northwest | 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 | 300-600 984-1968 | 27.0 16.8 | 5.1 41 | No precipitation No precipitation | 6 | ||||||||||||||||
00 | 7.5 46 | 749.9 29.52 999.78 999.78 | 755.7 29.75 1007.52 1007.52 | 81 | Wind blowing from the north-northwest | 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 | 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 | 24.0 14.9 | 4.4 40 | ||||||||||||||||||
| May 13, Wednesday | 23 | 7.7 46 | 749.8 29.52 999.65 999.65 | 755.6 29.75 1007.38 1007.38 | 81 | Wind blowing from the north-west | 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 | 600-1000 1968-3281 | 29.0 18.0 | 4.6 40 | ||||||||||||||||
22 | 8.2 47 | 749.7 29.52 999.52 999.52 | 755.4 29.74 1007.12 1007.12 | 79 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 8.2 47 | 12.7 55 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 27.0 16.8 | 4.8 41 | ||||||||||||||||
21 | 8.8 48 | 749.5 29.51 999.25 999.25 | 755.2 29.73 1006.85 1006.85 | 75 | Wind blowing from the north-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 | 600-1000 1968-3281 | 30.0 18.6 | 4.5 40 | |||||||||||||||||
20 | 9.8 50 | 749.2 29.5 998.85 998.85 | 754.9 29.72 1006.45 1006.45 | 68 | Wind blowing from the north-northwest | 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 | 600-1000 1968-3281 | 40.0 24.9 | 4.2 40 | ||||||||||||||||||
19 | 10.1 50 | 748.9 29.48 998.45 998.45 | 754.6 29.71 1006.05 1006.05 | 59 | Wind blowing from the north-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 60%. 6/10. 5 oktas | 6.9 44 | 12.7 55 | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 45.0 28.0 | 2.4 36 | 2.0 0.08 | 12 | ||||||||||||||
18 | 11.1 52 | 748.6 29.47 998.05 998.05 | 754.3 29.7 1005.65 1005.65 | 64 | Wind blowing from the north-west | 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 | 600-1000 1968-3281 | 50.0 31.1 | 4.4 40 | ||||||||||||||||||
17 | 11.6 53 | 748.2 29.46 997.52 997.52 | 753.8 29.68 1004.98 1004.98 | 67 | Wind blowing from the west-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 45.0 28.0 | 5.7 42 | |||||||||||||||||
16 | 9.0 48 | 748.2 29.46 997.52 997.52 | 753.9 29.68 1005.12 1005.12 | 84 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Drizzle, not freezing, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 50.0 31.1 | 6.4 44 | |||||||||||||||||
15 | 11.8 53 | 748.0 29.45 997.25 997.25 | 753.6 29.67 1004.72 1004.72 | 69 | Wind blowing from the west-northwest | 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 | 600-1000 1968-3281 | 15.0 9.3 | 6.2 43 | |||||||||||||||||
14 | 9.2 49 | 748.3 29.46 997.65 997.65 | 754.0 29.69 1005.25 1005.25 | 79 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 28.0 17.4 | 5.7 42 | |||||||||||||||||
13 | 11.2 52 | 748.1 29.45 997.38 997.38 | 753.8 29.68 1004.98 1004.98 | 63 | Wind blowing from the north-west | 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 | 600-1000 1968-3281 | 21.0 13.1 | 4.3 40 | 1.0 0.04 | 6 | ||||||||||||||||
12 | 10.2 50 | 747.9 29.44 997.12 997.12 | 753.6 29.67 1004.72 1004.72 | 71 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 8.0 5.0 | 5.1 41 | |||||||||||||||||