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 July 29, Tuesday	17	33.3 92	758.1 29.85 1010.72 1010.72	759.4 29.9 1012.45 1012.45	0.0 0 0 0	41	Wind blowing from the north-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								2000-2500 6562-8202			16.0 9.9	18.3 65
	14	32.8 91	758.1 29.85 1010.72 1010.72	759.3 29.89 1012.32 1012.32	-1.0 -0.04 -1.33 -1.33	45	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				23.9 75	33.9 93			1500-2000 4921-6562			16.0 9.9	19.4 67
	11	31.7 89	759.1 29.89 1012.05 1012.05	760.3 29.93 1013.65 1013.65	0.5 0.02 0.67 0.67	53					20–30%. 2/10–3/10. 2 oktas								1000-1500 3281-4921			16.0 9.9	21.1 70
	08	25.0 77	758.6 29.87 1011.38 1011.38	760.0 29.92 1013.25 1013.25	0.3 0.01 0.4 0.4	77	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				17.8 64	30.0 86			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	20.6 69
	05	18.3 65	758.3 29.85 1010.98 1010.98	759.7 29.91 1012.85 1012.85	-1.1 -0.04 -1.47 -1.47	97	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			14.0 8.7	17.8 64
	02	18.3 65	759.4 29.9 1012.45 1012.45	760.6 29.94 1014.05 1014.05	-0.2 -0.01 -0.27 -0.27	93	Calm, no wind	Calm			no clouds no clouds no clouds				16.7 62	23.9 75						16.0 9.9	17.2 63
July 28, Monday	23	21.7 71	759.6 29.91 1012.72 1012.72	761.0 29.96 1014.58 1014.58	0.5 0.02 0.67 0.67	81	Wind blowing from the south-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	18.3 65
	20	23.9 75	759.1 29.89 1012.05 1012.05	760.4 29.94 1013.78 1013.78	-0.3 -0.01 -0.4 -0.4	76	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				16.7 62	30.0 86						16.0 9.9	19.4 67
	17	25.6 78	759.4 29.9 1012.45 1012.45	760.6 29.94 1014.05 1014.05	-0.2 -0.01 -0.27 -0.27	71	Wind blowing from the south	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											16.0 9.9	20.0 68