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 9, Saturday	08	9.4 49	760.1 29.93 1013.38 1013.38	761.5 29.98 1015.25 1015.25	1.0 0.04 1.33 1.33	64	Calm, no wind	Calm			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	2.8 37
	05	3.9 39	759.1 29.89 1012.05 1012.05	760.3 29.93 1013.65 1013.65	0.5 0.02 0.67 0.67	79	Wind blowing from the west	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	0.6 33
	02	6.7 44	758.6 29.87 1011.38 1011.38	760.0 29.92 1013.25 1013.25	0.8 0.03 1.07 1.07	65	Calm, no wind	Calm			100%. 10/10. 8 oktas				2.2 36	10.6 51			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	0.6 33
May 8, Friday	23	6.7 44	757.8 29.83 1010.32 1010.32	759.3 29.89 1012.32 1012.32	1.7 0.07 2.27 2.27	63	Calm, no wind	Calm			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	0.0 32
	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