Weather archive in Portland (airport), Maine
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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 8, Friday | 20 | 10.0 50 | 756.1 29.77 1008.05 1008.05 | 757.4 29.82 1009.78 1009.78 | 1.1 0.04 1.47 1.47 | 39 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2.2 36 | 15.0 59 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -3.3 26 | |||||||||||||||
17 | 12.8 55 | 755.0 29.72 1006.58 1006.58 | 756.4 29.78 1008.45 1008.45 | 0.7 0.03 0.93 0.93 | 38 | Wind blowing from the west-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.1 30 | ||||||||||||||||||
14 | 13.9 57 | 754.3 29.7 1005.65 1005.65 | 755.5 29.74 1007.25 1007.25 | -0.2 -0.01 -0.27 -0.27 | 37 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 10.0 50 | 15.0 59 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -0.6 31 | ||||||||||||||||
11 | 13.3 56 | 754.5 29.7 1005.92 1005.92 | 755.9 29.76 1007.78 1007.78 | -0.8 -0.03 -1.07 -1.07 | 34 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
08 | 10.0 50 | 755.3 29.74 1006.98 1006.98 | 756.5 29.78 1008.58 1008.58 | 1.3 0.05 1.73 1.73 | 48 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2.2 36 | 17.2 63 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -0.6 31 | ||||||||||||||||
05 | 2.8 37 | 754.0 29.69 1005.25 1005.25 | 755.4 29.74 1007.12 1007.12 | 0.0 0 0 0 | 70 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
02 | 5.6 42 | 754.0 29.69 1005.25 1005.25 | 755.2 29.73 1006.85 1006.85 | -0.5 -0.02 -0.67 -0.67 | 60 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 5.0 41 | 13.3 56 | 16.0 9.9 | -1.7 29 | |||||||||||||||||
| May 7, Thursday | 23 | 9.4 49 | 754.5 29.7 1005.92 1005.92 | 755.8 29.76 1007.65 1007.65 | 1.7 0.07 2.27 2.27 | 43 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.8 27 | |||||||||||||||||
20 | 13.3 56 | 752.8 29.64 1003.65 1003.65 | 754.0 29.69 1005.25 1005.25 | 1.1 0.04 1.47 1.47 | 36 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 8.3 47 | 17.2 63 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | ||||||||||||||||