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 April 5, Saturday | 05 | 4.4 40 | 771.3 30.37 1028.32 1028.32 | 772.7 30.42 1030.18 1030.18 | 1.8 0.07 2.4 2.4 | 63 | Wind blowing from the east-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
02 | 2.8 37 | 769.5 30.3 1025.92 1025.92 | 770.9 30.35 1027.78 1027.78 | 0.8 0.03 1.07 1.07 | 73 | Calm, no wind | Calm | no clouds no clouds no clouds | 2.8 37 | 9.4 49 | 16.0 9.9 | -1.7 29 | |||||||||||||||||
| April 4, Friday | 23 | 7.2 45 | 768.7 30.26 1024.85 1024.85 | 770.0 30.31 1026.58 1026.58 | 2.0 0.08 2.67 2.67 | 52 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.2 28 | |||||||||||||||||
20 | 9.4 49 | 766.7 30.19 1022.18 1022.18 | 768.1 30.24 1024.05 1024.05 | 2.8 0.11 3.73 3.73 | 46 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 6.7 44 | 16.1 61 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | ||||||||||||||||
17 | 14.4 58 | 763.9 30.07 1018.45 1018.45 | 765.1 30.12 1020.05 1020.05 | 1.8 0.07 2.4 2.4 | 39 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 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 | 0.6 33 | |||||||||||||||||
14 | 15.0 59 | 762.1 30 1016.05 1016.05 | 763.4 30.06 1017.78 1017.78 | -0.3 -0.01 -0.4 -0.4 | 38 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | 5.6 42 | 15.6 60 | 1500-2000 4921-6562 | 16.0 9.9 | 0.6 33 | |||||||||||||||
11 | 11.7 53 | 762.4 30.02 1016.45 1016.45 | 763.7 30.07 1018.18 1018.18 | 1.3 0.05 1.73 1.73 | 61 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 | 4.4 40 | ||||||||||||||||||
08 | 7.8 46 | 761.1 29.96 1014.72 1014.72 | 762.4 30.02 1016.45 1016.45 | 2.5 0.1 3.33 3.33 | 89 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 5.0 41 | 10.0 50 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 6.1 43 | ||||||||||||||||
05 | 7.2 45 | 758.6 29.87 1011.38 1011.38 | 760.0 29.92 1013.25 1013.25 | 1.3 0.05 1.73 1.73 | 100 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 7.2 45 | ||||||||||||||||||