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 August 12, Wednesday	17	25.6 78	754.3 29.7 1005.65 1005.65	755.5 29.74 1007.25 1007.25	-0.5 -0.02 -0.67 -0.67	52	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								2000-2500 6562-8202			16.0 9.9	15.0 59
	14	25.6 78	754.8 29.72 1006.32 1006.32	756.1 29.77 1008.05 1008.05	-0.7 -0.03 -0.93 -0.93	47	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas				20.6 69	28.3 83			1500-2000 4921-6562			16.0 9.9	13.3 56
	11	26.7 80	755.5 29.74 1007.25 1007.25	756.8 29.8 1008.98 1008.98	0.5 0.02 0.67 0.67	41	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								1500-2000 4921-6562			16.0 9.9	12.2 54
	08	20.6 69	755.0 29.72 1006.58 1006.58	756.4 29.78 1008.45 1008.45	0.5 0.02 0.67 0.67	66	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				15.0 59	30.0 86			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	13.9 57
	05	16.1 61	754.5 29.7 1005.92 1005.92	755.8 29.76 1007.65 1007.65	-0.5 -0.02 -0.67 -0.67	78	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	12.2 54
	02	19.4 67	755.0 29.72 1006.58 1006.58	756.4 29.78 1008.45 1008.45	0.2 0.01 0.27 0.27	66	Calm, no wind	Calm			50%. 5/10. 4 oktas				16.7 62	23.9 75			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	12.8 55
August 11, Tuesday	23	20.0 68	754.8 29.72 1006.32 1006.32	756.1 29.77 1008.05 1008.05	0.5 0.02 0.67 0.67	63	Wind blowing from the north-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	12.8 55
	20	23.9 75	754.3 29.7 1005.65 1005.65	755.6 29.75 1007.38 1007.38	0.6 0.02 0.8 0.8	48	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				16.7 62	30.0 86						16.0 9.9	12.2 54
	17	27.8 82	753.7 29.67 1004.85 1004.85	755.1 29.73 1006.72 1006.72	-0.3 -0.01 -0.4 -0.4	37	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft		50%. 5/10. 4 oktas								2000-2500 6562-8202			16.0 9.9	11.7 53