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 7, Sunday | 23 | 12.7 55 | 748.5 29.47 997.92 997.92 | 754.2 29.69 1005.52 1005.52 | 1.7 0.07 2.27 2.27 | 89 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | Rain (not freezing). | 60%. 6/10. 5 oktas | 300-600 984-1968 | 22.0 13.7 | 10.9 52 | |||||||||||||||
22 | 13.8 57 | 748.3 29.46 997.65 997.65 | 753.9 29.68 1005.12 1005.12 | 2.1 0.08 2.8 2.8 | 80 | Wind blowing from the west-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. | 13.5 56 | 18.1 65 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 24.0 14.9 | 10.4 51 | 4.0 0.16 | 12 | ||||||||||||
21 | 13.5 56 | 747.9 29.44 997.12 997.12 | 753.5 29.67 1004.58 1004.58 | 2.5 0.1 3.33 3.33 | 92 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 25.0 15.5 | 12.2 54 | |||||||||||||||||
20 | 14.0 57 | 746.8 29.4 995.65 995.65 | 752.5 29.63 1003.25 1003.25 | 2.2 0.09 2.93 2.93 | 89 | Wind blowing from the south-southwest | 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 | 1000-1500 3281-4921 | 28.0 17.4 | 12.2 54 | ||||||||||||||||
19 | 14.1 57 | 746.2 29.38 994.85 994.85 | 751.9 29.6 1002.45 1002.45 | 1.8 0.07 2.4 2.4 | 90 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 13.9 57 | 18.1 65 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 27.0 16.8 | 12.4 54 | 5.0 0.2 | 12 | ||||||||||||
18 | 15.2 59 | 745.4 29.35 993.79 993.79 | 751.0 29.57 1001.25 1001.25 | 1.3 0.05 1.73 1.73 | 82 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 300-600 984-1968 | 35.0 21.8 | 12.2 54 | ||||||||||||||||
17 | 16.1 61 | 744.6 29.31 992.72 992.72 | 750.1 29.53 1000.05 1000.05 | 1.0 0.04 1.33 1.33 | 90 | Wind blowing from the south-southwest | 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 | 29.0 18.0 | 14.5 58 | ||||||||||||||||
16 | 15.3 60 | 744.4 29.31 992.45 992.45 | 749.9 29.52 999.78 999.78 | 1.5 0.06 2 2 | 96 | 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, not freezing, slight. | 100%. 10/10. 8 oktas | 50-100 164-328 | 5.0 3.1 | 14.6 58 | ||||||||||||||||
15 | 14.8 59 | 744.1 29.3 992.05 992.05 | 749.6 29.51 999.38 999.38 | 1.3 0.05 1.73 1.73 | 95 | 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. | 100%. 10/10. 8 oktas | 100-200 328-656 | 2.7 1.7 | 14.0 57 | ||||||||||||||||
14 | 14.7 58 | 743.6 29.28 991.39 991.39 | 749.2 29.5 998.85 998.85 | 0.7 0.03 0.93 0.93 | 95 | 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. | 100%. 10/10. 8 oktas | 50-100 164-328 | 1.7 1.1 | 13.9 57 | ||||||||||||||||
13 | 17.7 64 | 742.9 29.25 990.45 990.45 | 748.3 29.46 997.65 997.65 | -0.1 -0 -0.13 -0.13 | 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 | 200-300 656-984 | 24.0 14.9 | 15.7 60 | 0.6 0.02 | 6 | |||||||||||||||
12 | 17.8 64 | 742.8 29.24 990.32 990.32 | 748.3 29.46 997.65 997.65 | -0.4 -0.02 -0.53 -0.53 | 89 | 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 | 200-300 656-984 | 27.0 16.8 | 15.9 61 | |||||||||||||||||
11 | 17.3 63 | 742.9 29.25 990.45 990.45 | 748.3 29.46 997.65 997.65 | -0.5 -0.02 -0.67 -0.67 | 91 | 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 | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 200-300 656-984 | 22.0 13.7 | 15.8 60 | ||||||||||||||||
10 | 16.9 62 | 743.0 29.25 990.59 990.59 | 748.6 29.47 998.05 998.05 | -0.2 -0.01 -0.27 -0.27 | 90 | 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 (not freezing). | 16.4 62 | 18.1 65 | 100%. 10/10. 8 oktas | 200-300 656-984 | 13.0 8.1 | 15.3 60 | 0.8 0.03 | 12 | ||||||||||||
09 | 16.8 62 | 743.2 29.26 990.85 990.85 | 748.6 29.47 998.05 998.05 | -0.3 -0.01 -0.4 -0.4 | 88 | 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 | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 15.0 9.3 | 14.7 58 | ||||||||||||||||
08 | 16.8 62 | 743.4 29.27 991.12 991.12 | 748.9 29.48 998.45 998.45 | -0.1 -0 -0.13 -0.13 | 85 | 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 | Rain (not freezing). | 100%. 10/10. 8 oktas | 300-600 984-1968 | 25.0 15.5 | 14.3 58 | ||||||||||||||||
07 | 16.6 62 | 743.2 29.26 990.85 990.85 | 748.7 29.48 998.18 998.18 | -1.3 -0.05 -1.73 -1.73 | 86 | 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 | Rain, not freezing, slight. | 16.4 62 | 18.1 65 | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 14.2 58 | 0.2 0.01 | 12 | ||||||||||||
06 | 16.9 62 | 743.5 29.27 991.25 991.25 | 749.1 29.49 998.72 998.72 | -1.8 -0.07 -2.4 -2.4 | 83 | 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 (not freezing). | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 22.0 13.7 | 14.0 57 | ||||||||||||||||
05 | 17.4 63 | 743.5 29.27 991.25 991.25 | 749.1 29.49 998.72 998.72 | -2.2 -0.09 -2.93 -2.93 | 77 | 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, not freezing, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | 13.2 56 | ||||||||||||||||
04 | 17.9 64 | 744.5 29.31 992.59 992.59 | 750.0 29.53 999.92 999.92 | -1.7 -0.07 -2.27 -2.27 | 68 | 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 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 26.0 16.2 | 11.8 53 | |||||||||||||||||
03 | 17.6 64 | 745.3 29.34 993.65 993.65 | 750.9 29.56 1001.12 1001.12 | -1.8 -0.07 -2.4 -2.4 | 67 | 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 | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 27.0 16.8 | 11.3 52 | |||||||||||||||||
02 | 17.4 63 | 745.7 29.36 994.19 994.19 | 751.2 29.57 1001.52 1001.52 | -2.0 -0.08 -2.67 -2.67 | 66 | 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 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | 10.9 52 | |||||||||||||||||
01 | 17.7 64 | 746.2 29.38 994.85 994.85 | 751.8 29.6 1002.32 1002.32 | -2.1 -0.08 -2.8 -2.8 | 63 | 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 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 29.0 18.0 | 10.6 51 | No precipitation No precipitation | 6 | |||||||||||||||
00 | 17.5 64 | 747.1 29.41 996.05 996.05 | 752.7 29.63 1003.52 1003.52 | -1.6 -0.06 -2.13 -2.13 | 65 | 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 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | 10.9 52 | |||||||||||||||||
| September 6, Saturday | 23 | 17.6 64 | 747.7 29.44 996.85 996.85 | 753.2 29.65 1004.18 1004.18 | -1.7 -0.07 -2.27 -2.27 | 66 | 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 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | 11.2 52 | ||||||||||||||||