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 December 11, Thursday | 13 | 11.4 53 | 747.1 29.41 996.05 996.05 | 752.8 29.64 1003.65 1003.65 | -0.6 -0.02 -0.8 -0.8 | 79 | Wind blowing from the south | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 7.8 46 | ||||||||||||||||
12 | 11.5 53 | 747.4 29.43 996.45 996.45 | 753.1 29.65 1004.05 1004.05 | -0.5 -0.02 -0.67 -0.67 | 76 | Wind blowing from the south-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 11.0 6.8 | 7.4 45 | No precipitation No precipitation | 6 | |||||||||||||||
11 | 11.4 53 | 747.7 29.44 996.85 996.85 | 753.4 29.66 1004.45 1004.45 | -0.6 -0.02 -0.8 -0.8 | 73 | Wind blowing from the south | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 6.7 44 | |||||||||||||||||
10 | 11.2 52 | 747.7 29.44 996.85 996.85 | 753.3 29.66 1004.32 1004.32 | -0.8 -0.03 -1.07 -1.07 | 72 | Wind blowing from the south-southeast | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 6.3 43 | |||||||||||||||||
09 | 10.6 51 | 747.9 29.44 997.12 997.12 | 753.6 29.67 1004.72 1004.72 | -0.7 -0.03 -0.93 -0.93 | 73 | Wind blowing from the south-southeast | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | 8.3 47 | 10.8 51 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 11.0 6.8 | 6.0 43 | No precipitation No precipitation | 12 | |||||||||||||
08 | 10.1 50 | 748.3 29.46 997.65 997.65 | 754.0 29.69 1005.25 1005.25 | -0.6 -0.02 -0.8 -0.8 | 75 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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 | 11.0 6.8 | 5.8 42 | |||||||||||||||||
07 | 10.4 51 | 748.5 29.47 997.92 997.92 | 754.2 29.69 1005.52 1005.52 | -0.6 -0.02 -0.8 -0.8 | 74 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 5.9 43 | |||||||||||||||||
06 | 10.2 50 | 748.6 29.47 998.05 998.05 | 754.3 29.7 1005.65 1005.65 | -1.4 -0.06 -1.87 -1.87 | 75 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | 8.3 47 | 10.4 51 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 13.0 8.1 | 5.9 43 | No precipitation No precipitation | 12 | |||||||||||||
05 | 10.2 50 | 748.9 29.48 998.45 998.45 | 754.6 29.71 1006.05 1006.05 | -1.4 -0.06 -1.87 -1.87 | 75 | Wind blowing from the south | 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 | 13.0 8.1 | 6.0 43 | |||||||||||||||||
04 | 10.1 50 | 749.1 29.49 998.72 998.72 | 754.8 29.72 1006.32 1006.32 | -1.6 -0.06 -2.13 -2.13 | 76 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 13.0 8.1 | 6.0 43 | |||||||||||||||||
03 | 9.8 50 | 750.0 29.53 999.92 999.92 | 755.8 29.76 1007.65 1007.65 | -0.9 -0.04 -1.2 -1.2 | 77 | Wind blowing from the south | 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 | 600-1000 1968-3281 | 11.0 6.8 | 6.0 43 | |||||||||||||||||
02 | 9.2 49 | 750.3 29.54 1000.32 1000.32 | 756.0 29.76 1007.92 1007.92 | -0.8 -0.03 -1.07 -1.07 | 81 | Wind blowing from the south | 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 | 10.0 6.2 | 6.0 43 | |||||||||||||||||
01 | 8.8 48 | 750.7 29.56 1000.85 1000.85 | 756.4 29.78 1008.45 1008.45 | -0.8 -0.03 -1.07 -1.07 | 81 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 9.0 5.6 | 5.7 42 | ||||||||||||||||
00 | 8.4 47 | 750.9 29.56 1001.12 1001.12 | 756.6 29.79 1008.72 1008.72 | -0.7 -0.03 -0.93 -0.93 | 83 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 9.0 5.6 | 5.6 42 | No precipitation No precipitation | 6 | ||||||||||||||
| December 10, Wednesday | 23 | 8.7 48 | 751.1 29.57 1001.38 1001.38 | 756.8 29.8 1008.98 1008.98 | -0.2 -0.01 -0.27 -0.27 | 81 | Wind blowing from the south | 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. | 9.0 5.6 | 5.5 42 | ||||||||||||||||
22 | 9.0 48 | 751.5 29.59 1001.92 1001.92 | 757.2 29.81 1009.52 1009.52 | 0.4 0.02 0.53 0.53 | 79 | Wind blowing from the south | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 10.0 6.2 | 5.5 42 | |||||||||||||||||
21 | 8.9 48 | 751.6 29.59 1002.05 1002.05 | 757.3 29.81 1009.65 1009.65 | 0.6 0.02 0.8 0.8 | 80 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 7.8 46 | 9.9 50 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 10.0 6.2 | 5.6 42 | No precipitation No precipitation | 12 | ||||||||||||
20 | 9.5 49 | 751.3 29.58 1001.65 1001.65 | 757.0 29.8 1009.25 1009.25 | 0.8 0.03 1.07 1.07 | 79 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 9.0 5.6 | 6.0 43 | ||||||||||||||||
19 | 9.8 50 | 751.1 29.57 1001.38 1001.38 | 756.9 29.8 1009.12 1009.12 | 1.3 0.05 1.73 1.73 | 81 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 8.0 5.0 | 6.6 44 | ||||||||||||||||
18 | 9.8 50 | 751.0 29.57 1001.25 1001.25 | 756.7 29.79 1008.85 1008.85 | 1.4 0.06 1.87 1.87 | 80 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 7.4 45 | 9.8 50 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 8.0 5.0 | 6.5 44 | No precipitation No precipitation | 12 | ||||||||||||
17 | 9.5 49 | 750.5 29.55 1000.58 1000.58 | 756.3 29.78 1008.32 1008.32 | 1.2 0.05 1.6 1.6 | 81 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 8.0 5.0 | 6.3 43 | ||||||||||||||||
16 | 9.4 49 | 749.8 29.52 999.65 999.65 | 755.6 29.75 1007.38 1007.38 | 1.0 0.04 1.33 1.33 | 78 | Wind blowing from the south-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Mist. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1000-1500 3281-4921 | 8.0 5.0 | 5.8 42 | ||||||||||||||||
15 | 9.2 49 | 749.6 29.51 999.38 999.38 | 755.3 29.74 1006.98 1006.98 | 1.9 0.07 2.53 2.53 | 80 | 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 | Mist. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 9.0 5.6 | 5.8 42 | ||||||||||||||||
14 | 9.3 49 | 749.3 29.5 998.98 998.98 | 755.1 29.73 1006.72 1006.72 | 2.4 0.09 3.2 3.2 | 79 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | Mist. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | 9.0 5.6 | 5.8 42 | ||||||||||||||||
13 | 9.8 50 | 748.8 29.48 998.32 998.32 | 754.5 29.7 1005.92 1005.92 | 3.3 0.13 4.4 4.4 | 81 | 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 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 11.0 6.8 | 6.6 44 | |||||||||||||||||