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 April 20, Monday	17	7.2 45	763.9 30.07 1018.45 1018.45	765.4 30.13 1020.45 1020.45	1.0 0.04 1.33 1.33	42	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		70 – 80%. 7/10 – 8/10. 6 oktas								2000-2500 6562-8202			16.0 9.9	-5.0 23
	14	7.8 46	762.9 30.04 1017.12 1017.12	764.2 30.09 1018.85 1018.85	0.2 0.01 0.27 0.27	42	Wind blowing from the north-northwest	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)	12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft		70 – 80%. 7/10 – 8/10. 6 oktas				1.7 35	10.0 50			1000-1500 3281-4921			16.0 9.9	-4.4 24
	11	6.7 44	762.7 30.03 1016.85 1016.85	764.2 30.09 1018.85 1018.85	0.8 0.03 1.07 1.07	60	Wind blowing from the west-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		70 – 80%. 7/10 – 8/10. 6 oktas								1000-1500 3281-4921			16.0 9.9	-0.6 31
	08	2.8 37	761.9 30 1015.78 1015.78	763.3 30.05 1017.65 1017.65	1.6 0.06 2.13 2.13	86	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				-1.7 29	7.8 46						16.0 9.9	0.6 33
	05	-1.1 30	760.3 29.93 1013.65 1013.65	761.8 29.99 1015.65 1015.65	0.5 0.02 0.67 0.67	96	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	-1.7 29
	02	-0.6 31	759.8 29.91 1012.98 1012.98	761.2 29.97 1014.85 1014.85	1.5 0.06 2 2	96	Calm, no wind	Calm			no clouds no clouds no clouds				-0.6 31	6.1 43						16.0 9.9	-1.1 30	0.3 0.01	6
April 19, Sunday	23	1.1 34	758.3 29.85 1010.98 1010.98	759.8 29.91 1012.98 1012.98	1.7 0.07 2.27 2.27	97	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	0.6 33	0.3 0.01	3
	20	2.2 36	756.6 29.79 1008.72 1008.72	757.9 29.84 1010.45 1010.45	2.6 0.1 3.47 3.47	93	Wind blowing from the north-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.			1.7 35	7.8 46			300-600 984-1968			16.0 9.9	1.1 34	7.0 0.28	6
	17	5.6 42	754.0 29.69 1005.25 1005.25	755.2 29.73 1006.85 1006.85	0.3 0.01 0.4 0.4	82	Wind blowing from the north-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)	9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft		100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	2.8 37	4.0 0.16	3