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 9, Tuesday | 11 | 14.6 58 | 730.9 28.78 974.45 974.45 | 736.4 28.99 981.79 981.79 | -1.8 -0.07 -2.4 -2.4 | 88 | 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 | 300-600 984-1968 | 30.0 18.6 | 12.6 55 | ||||||||||||||||
10 | 14.3 58 | 732.0 28.82 975.92 975.92 | 737.5 29.04 983.25 983.25 | -1.2 -0.05 -1.6 -1.6 | 88 | 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 | 300-600 984-1968 | 28.0 17.4 | 12.4 54 | |||||||||||||||||
09 | 14.3 58 | 732.4 28.83 976.45 976.45 | 737.8 29.05 983.65 983.65 | -1.6 -0.06 -2.13 -2.13 | 88 | 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 | 8.7 48 | 14.4 58 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 30.0 18.6 | 12.4 54 | 5.0 0.2 | 12 | |||||||||||||
08 | 13.7 57 | 732.7 28.85 976.85 976.85 | 738.2 29.06 984.19 984.19 | -2.9 -0.11 -3.87 -3.87 | 90 | 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 | Rain (not freezing). | 100%. 10/10. 8 oktas | 300-600 984-1968 | 28.0 17.4 | 12.1 54 | ||||||||||||||||
07 | 12.5 55 | 733.2 28.87 977.52 977.52 | 738.7 29.08 984.85 984.85 | -4.3 -0.17 -5.73 -5.73 | 93 | Wind blowing from the south-east | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 3.6 2.2 | 11.4 53 | ||||||||||||||||
06 | 11.8 53 | 734.0 28.9 978.59 978.59 | 739.6 29.12 986.05 986.05 | -5.3 -0.21 -7.07 -7.07 | 92 | Wind blowing from the east-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain. | 8.4 47 | 11.8 53 | 100%. 10/10. 8 oktas | 200-300 656-984 | 2.6 1.6 | 10.6 51 | 4.0 0.16 | 12 | ||||||||||||
05 | 10.9 52 | 735.6 28.96 980.72 980.72 | 741.1 29.18 988.05 988.05 | -4.9 -0.19 -6.53 -6.53 | 93 | Wind blowing from the east | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, heavy. | 100%. 10/10. 8 oktas | 200-300 656-984 | 3.1 1.9 | 9.8 50 | ||||||||||||||||
04 | 11.0 52 | 737.5 29.04 983.25 983.25 | 743.1 29.26 990.72 990.72 | -4.2 -0.17 -5.6 -5.6 | 92 | Wind blowing from the east-southeast | 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 | 200-300 656-984 | 4.8 3.0 | 9.8 50 | ||||||||||||||||
03 | 11.1 52 | 739.3 29.11 985.65 985.65 | 744.9 29.33 993.12 993.12 | -3.6 -0.14 -4.8 -4.8 | 92 | Wind blowing from the east-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 100-200 328-656 | 4.9 3.0 | 9.9 50 | ||||||||||||||||
02 | 10.7 51 | 740.5 29.15 987.25 987.25 | 746.1 29.37 994.72 994.72 | -2.8 -0.11 -3.73 -3.73 | 94 | Wind blowing from the east-southeast | 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 | 100-200 328-656 | 9.0 5.6 | 9.7 49 | ||||||||||||||||
01 | 10.2 50 | 741.7 29.2 988.85 988.85 | 747.4 29.43 996.45 996.45 | -2.1 -0.08 -2.8 -2.8 | 91 | Wind blowing from the east-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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 | 8.8 48 | ||||||||||||||||
00 | 9.7 49 | 742.9 29.25 990.45 990.45 | 748.5 29.47 997.92 997.92 | -1.6 -0.06 -2.13 -2.13 | 90 | Wind blowing from the east-southeast | 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. | 10.0 6.2 | 8.1 47 | No precipitation No precipitation | 6 | |||||||||||||||
| December 8, Monday | 23 | 9.5 49 | 743.3 29.26 990.99 990.99 | 749.0 29.49 998.58 998.58 | -1.0 -0.04 -1.33 -1.33 | 89 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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. | 11.0 6.8 | 7.8 46 | ||||||||||||||||
22 | 9.1 48 | 743.8 29.28 991.65 991.65 | 749.5 29.51 999.25 999.25 | -0.5 -0.02 -0.67 -0.67 | 89 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 11.0 6.8 | 7.3 45 | |||||||||||||||||
21 | 9.5 49 | 744.5 29.31 992.59 992.59 | 750.1 29.53 1000.05 1000.05 | 0.4 0.02 0.53 0.53 | 88 | 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 | 6.7 44 | 9.9 50 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 12.0 7.5 | 7.6 46 | 0.8 0.03 | 12 | |||||||||||||
20 | 8.6 47 | 744.3 29.3 992.32 992.32 | 750.0 29.53 999.92 999.92 | 0.5 0.02 0.67 0.67 | 89 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 11.0 6.8 | 6.8 44 | |||||||||||||||||
19 | 8.4 47 | 744.3 29.3 992.32 992.32 | 750.0 29.53 999.92 999.92 | 0.5 0.02 0.67 0.67 | 89 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 10.0 6.2 | 6.7 44 | |||||||||||||||||||
18 | 8.7 48 | 744.1 29.3 992.05 992.05 | 749.7 29.52 999.52 999.52 | 0.6 0.02 0.8 0.8 | 87 | Wind blowing from the south-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | Mist. | 6.5 44 | 9.9 50 | 9.0 5.6 | 6.7 44 | 0.8 0.03 | 12 | ||||||||||||||
17 | 8.8 48 | 743.8 29.28 991.65 991.65 | 749.5 29.51 999.25 999.25 | 0.5 0.02 0.67 0.67 | 87 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 60%. 6/10. 5 oktas | Mist. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 8.0 5.0 | 6.8 44 | ||||||||||||||||
16 | 9.2 49 | 743.8 29.28 991.65 991.65 | 749.5 29.51 999.25 999.25 | 0.6 0.02 0.8 0.8 | 86 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 9.0 5.6 | 7.0 45 | ||||||||||||||||
15 | 9.4 49 | 743.5 29.27 991.25 991.25 | 749.2 29.5 998.85 998.85 | 0.6 0.02 0.8 0.8 | 85 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 13.0 8.1 | 6.9 44 | ||||||||||||||||
14 | 9.2 49 | 743.3 29.26 990.99 990.99 | 749.0 29.49 998.58 998.58 | 0.4 0.02 0.53 0.53 | 82 | 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). | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 15.0 9.3 | 6.3 43 | ||||||||||||||||
13 | 9.0 48 | 743.2 29.26 990.85 990.85 | 748.9 29.48 998.45 998.45 | 0.7 0.03 0.93 0.93 | 84 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 60%. 6/10. 5 oktas | Rain (not freezing). | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | 12.0 7.5 | 6.4 44 | ||||||||||||||||
12 | 8.3 47 | 742.9 29.25 990.45 990.45 | 748.6 29.47 998.05 998.05 | 1.2 0.05 1.6 1.6 | 85 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 60%. 6/10. 5 oktas | Rain (not freezing). | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 12.0 7.5 | 5.9 43 | 0.8 0.03 | 6 | ||||||||||||||
11 | 7.4 45 | 742.9 29.25 990.45 990.45 | 748.6 29.47 998.05 998.05 | 2.0 0.08 2.67 2.67 | 92 | Wind blowing from the south | 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 | 12.0 7.5 | 6.1 43 | ||||||||||||||||