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 | |
| 2025 December 9, Tuesday | 04 | -17.8 -0 | 766.0 30.16 1021.25 1021.25 | 767.4 30.21 1023.12 1023.12 | -0.2 -0.01 -0.27 -0.27 | 83 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -20.0 -4 | ||||||||||||||||||
01 | -15.0 5 | 766.2 30.17 1021.52 1021.52 | 767.5 30.22 1023.25 1023.25 | -0.7 -0.03 -0.93 -0.93 | 72 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | -15.6 4 | -0.6 31 | 16.0 9.9 | -18.9 -2 | |||||||||||||||||
| December 8, Monday | 22 | -12.2 10 | 766.9 30.19 1022.45 1022.45 | 768.4 30.25 1024.45 1024.45 | 0.0 0 0 0 | 61 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -18.3 -1 | ||||||||||||||||||
19 | -10.0 14 | 766.9 30.19 1022.45 1022.45 | 768.5 30.26 1024.58 1024.58 | 0.5 0.02 0.67 0.67 | 51 | 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 | -10.6 13 | -6.1 21 | 16.0 9.9 | -18.3 -1 | |||||||||||||||||
16 | -7.8 18 | 766.4 30.17 1021.78 1021.78 | 767.8 30.23 1023.65 1023.65 | 1.0 0.04 1.33 1.33 | 41 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | no clouds no clouds no clouds | 16.0 9.9 | -18.9 -2 | ||||||||||||||||||
13 | -7.2 19 | 765.4 30.13 1020.45 1020.45 | 766.9 30.19 1022.45 1022.45 | 0.0 0 0 0 | 41 | 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 | -9.4 15 | -0.6 31 | 1000-1500 3281-4921 | 16.0 9.9 | -18.3 -1 | |||||||||||||||
10 | -6.7 20 | 765.4 30.13 1020.45 1020.45 | 766.8 30.19 1022.32 1022.32 | 2.3 0.09 3.07 3.07 | 52 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -15.0 5 | ||||||||||||||||||
07 | -8.3 17 | 763.1 30.04 1017.38 1017.38 | 764.5 30.1 1019.25 1019.25 | 3.0 0.12 4 4 | 59 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | -8.3 17 | 1.1 34 | 600-1000 1968-3281 | 16.0 9.9 | -15.0 5 | ||||||||||||||||
04 | -5.6 22 | 760.1 29.93 1013.38 1013.38 | 761.6 29.98 1015.38 1015.38 | 3.3 0.13 4.4 4.4 | 60 | 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 | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -12.2 10 | |||||||||||||||||