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 September 15, Tuesday | 05 | 8.3 47 | 768.7 30.26 1024.85 1024.85 | 770.2 30.32 1026.85 1026.85 | 1.5 0.06 2 2 | 83 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | 5.6 42 | ||||||||||||||||||
02 | 8.9 48 | 767.2 30.2 1022.85 1022.85 | 768.6 30.26 1024.72 1024.72 | 1.0 0.04 1.33 1.33 | 80 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 8.9 48 | 18.3 65 | 16.0 9.9 | 5.6 42 | |||||||||||||||||
| September 14, Monday | 23 | 12.2 54 | 766.2 30.17 1021.52 1021.52 | 767.6 30.22 1023.38 1023.38 | 2.0 0.08 2.67 2.67 | 64 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 5.6 42 | ||||||||||||||||||
20 | 15.6 60 | 764.2 30.09 1018.85 1018.85 | 765.6 30.14 1020.72 1020.72 | 3.1 0.12 4.13 4.13 | 47 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 15.6 60 | 21.7 71 | 16.0 9.9 | 4.4 40 | |||||||||||||||||
17 | 19.4 67 | 761.1 29.96 1014.72 1014.72 | 762.4 30.02 1016.45 1016.45 | 1.0 0.04 1.33 1.33 | 39 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | no clouds no clouds no clouds | 16.0 9.9 | 5.0 41 | ||||||||||||||||||
14 | 21.1 70 | 760.1 29.93 1013.38 1013.38 | 761.3 29.97 1014.98 1014.98 | 0.7 0.03 0.93 0.93 | 39 | Wind blowing from the north-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 20–30%. 2/10–3/10. 2 oktas | 17.8 64 | 21.7 71 | 2000-2500 6562-8202 | 16.0 9.9 | 6.7 44 | |||||||||||||||
11 | 20.0 68 | 759.4 29.9 1012.45 1012.45 | 760.8 29.95 1014.32 1014.32 | 2.1 0.08 2.8 2.8 | 49 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 8.9 48 | |||||||||||||||||
08 | 17.8 64 | 757.3 29.81 1009.65 1009.65 | 758.6 29.87 1011.38 1011.38 | 2.5 0.1 3.33 3.33 | 81 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 17.2 63 | 17.8 64 | 1000-1500 3281-4921 | 16.0 9.9 | 14.4 58 | ||||||||||||||||
05 | 17.8 64 | 754.8 29.72 1006.32 1006.32 | 756.1 29.77 1008.05 1008.05 | 0.3 0.01 0.4 0.4 | 100 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 17.8 64 | ||||||||||||||||||