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 February 21, Friday | 13 | 10.3 51 | 734.9 28.93 979.79 979.79 | 740.5 29.15 987.25 987.25 | 0.7 0.03 0.93 0.93 | 90 | Wind blowing from the south-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, heavy. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.7 1.7 | 8.7 48 | |||||||||||||||
12 | 12.4 54 | 734.2 28.91 978.85 978.85 | 739.7 29.12 986.19 986.19 | -0.1 -0 -0.13 -0.13 | 89 | 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 | Rain (not freezing). | 100%. 10/10. 8 oktas | 300-600 984-1968 | 40.0 24.9 | 10.7 51 | 2.0 0.08 | 6 | ||||||||||||||
11 | 11.7 53 | 734.2 28.91 978.85 978.85 | 739.7 29.12 986.19 986.19 | -0.9 -0.04 -1.2 -1.2 | 93 | Wind blowing from the south | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 20.0 12.4 | 10.6 51 | ||||||||||||||||
10 | 12.0 54 | 734.2 28.91 978.85 978.85 | 739.7 29.12 986.19 986.19 | -1.2 -0.05 -1.6 -1.6 | 91 | Wind blowing from the south-southeast | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 10.6 51 | ||||||||||||||||
09 | 11.7 53 | 734.3 28.91 978.99 978.99 | 739.9 29.13 986.45 986.45 | -2.2 -0.09 -2.93 -2.93 | 91 | Wind blowing from the south-southeast | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | Precipitation | 10.3 51 | 11.9 53 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 19.0 11.8 | 10.3 51 | 1.0 0.04 | 12 | ||||||||||||
08 | 11.6 53 | 735.1 28.94 980.05 980.05 | 740.6 29.16 987.39 987.39 | -3.1 -0.12 -4.13 -4.13 | 91 | Wind blowing from the south-southeast | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 9.0 5.6 | 10.2 50 | ||||||||||||||||
07 | 11.7 53 | 735.4 28.95 980.45 980.45 | 741.0 29.17 987.92 987.92 | -3.9 -0.15 -5.2 -5.2 | 91 | 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 | Drizzle. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 8.0 5.0 | 10.3 51 | ||||||||||||||||
06 | 11.7 53 | 736.5 29 981.92 981.92 | 742.0 29.21 989.25 989.25 | -4.4 -0.17 -5.87 -5.87 | 91 | Wind blowing from the south-southeast | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 100%. 10/10. 8 oktas | Precipitation | 9.8 50 | 11.9 53 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 24.0 14.9 | 10.2 50 | No precipitation No precipitation | 12 | ||||||||||||
05 | 11.3 52 | 738.2 29.06 984.19 984.19 | 743.8 29.28 991.65 991.65 | -4.1 -0.16 -5.47 -5.47 | 91 | Wind blowing from the south-southeast | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 22.0 13.7 | 9.8 50 | ||||||||||||||||
04 | 11.0 52 | 739.3 29.11 985.65 985.65 | 745.0 29.33 993.25 993.25 | -4.4 -0.17 -5.87 -5.87 | 90 | 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 | Precipitation | 100%. 10/10. 8 oktas | 200-300 656-984 | 35.0 21.8 | 9.4 49 | ||||||||||||||||
03 | 11.0 52 | 740.9 29.17 987.79 987.79 | 746.5 29.39 995.25 995.25 | -3.3 -0.13 -4.4 -4.4 | 88 | 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 | 200-300 656-984 | 35.0 21.8 | 9.0 48 | |||||||||||||||||
02 | 10.7 51 | 742.3 29.22 989.65 989.65 | 748.0 29.45 997.25 997.25 | -2.4 -0.09 -3.2 -3.2 | 84 | 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 | 12.0 7.5 | 8.0 46 | |||||||||||||||||
01 | 10.7 51 | 743.7 29.28 991.52 991.52 | 749.3 29.5 998.98 998.98 | -1.4 -0.06 -1.87 -1.87 | 80 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 14.0 8.7 | 7.4 45 | |||||||||||||||||
00 | 10.7 51 | 744.2 29.3 992.19 992.19 | 749.8 29.52 999.65 999.65 | -0.9 -0.04 -1.2 -1.2 | 79 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 15.0 9.3 | 7.1 45 | No precipitation No precipitation | 6 | |||||||||||||||
| February 20, Thursday | 23 | 10.9 52 | 744.7 29.32 992.85 992.85 | 750.4 29.54 1000.45 1000.45 | -0.5 -0.02 -0.67 -0.67 | 81 | 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 | 15.0 9.3 | 7.8 46 | ||||||||||||||||
22 | 10.8 51 | 745.1 29.33 993.39 993.39 | 750.7 29.56 1000.85 1000.85 | 0.3 0.01 0.4 0.4 | 81 | 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 | 2000-2500 6562-8202 | 14.0 8.7 | 7.6 46 | |||||||||||||||||
21 | 10.5 51 | 745.1 29.33 993.39 993.39 | 750.7 29.56 1000.85 1000.85 | 0.4 0.02 0.53 0.53 | 78 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | no clouds no clouds no clouds | 8.6 47 | 13.4 56 | 18.0 11.2 | 6.7 44 | 3.0 0.12 | 12 | |||||||||||||||
20 | 10.1 50 | 745.2 29.34 993.52 993.52 | 750.8 29.56 1000.98 1000.98 | 75 | Wind blowing from the south | 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. | 20.0 12.4 | 5.9 43 | ||||||||||||||||||
19 | 10.2 50 | 744.8 29.32 992.99 992.99 | 750.4 29.54 1000.45 1000.45 | 75 | Wind blowing from the south | 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 | Rain (not freezing). | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | 20.0 12.4 | 6.0 43 | |||||||||||||||||
18 | 11.0 52 | 744.7 29.32 992.85 992.85 | 750.4 29.54 1000.45 1000.45 | 1.8 0.07 2.4 2.4 | 74 | 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. | 8.6 47 | 13.4 56 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 21.0 13.1 | 6.5 44 | 3.0 0.12 | 12 | ||||||||||||
17 | 11.3 52 | 743.8 29.28 991.65 991.65 | 749.4 29.5 999.12 999.12 | 1.9 0.07 2.53 2.53 | 72 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 21.0 13.1 | 6.3 43 | |||||||||||||||||
16 | 10.8 51 | 743.3 29.26 990.99 990.99 | 748.9 29.48 998.45 998.45 | 2.4 0.09 3.2 3.2 | 74 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 50%. 5/10. 4 oktas | Rain (not freezing). | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | 35.0 21.8 | 6.4 44 | ||||||||||||||||
15 | 10.2 50 | 742.9 29.25 990.45 990.45 | 748.5 29.47 997.92 997.92 | 2.0 0.08 2.67 2.67 | 76 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 60%. 6/10. 5 oktas | Precipitation | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | 55.0 34.2 | 6.2 43 | ||||||||||||||||
14 | 12.1 54 | 741.9 29.21 989.12 989.12 | 747.5 29.43 996.58 996.58 | 2.0 0.08 2.67 2.67 | 68 | Wind blowing from the south-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | 30.0 18.6 | 6.4 44 | |||||||||||||||||
13 | 11.9 53 | 740.9 29.17 987.79 987.79 | 746.5 29.39 995.25 995.25 | 1.3 0.05 1.73 1.73 | 76 | Wind blowing from the south-southwest | 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 | Rain (not freezing). | 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. | 40.0 24.9 | 7.8 46 | ||||||||||||||||