Weather archive in Portland (airport), Maine

To receive explanations, hover over the appropriate heading

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 October 23, Thursday	11	11.7 53	756.3 29.78 1008.32 1008.32	757.6 29.83 1010.05 1010.05	0.8 0.03 1.07 1.07	66	Wind blowing from the west-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	5.6 42
	08	7.2 45	755.5 29.74 1007.25 1007.25	756.9 29.8 1009.12 1009.12	0.7 0.03 0.93 0.93	83	Wind blowing from the south-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				6.1 43				2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	4.4 40
	05	6.7 44	754.8 29.72 1006.32 1006.32	756.2 29.77 1008.18 1008.18	0.8 0.03 1.07 1.07	93	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	5.6 42
	02	8.3 47	754.0 29.69 1005.25 1005.25	755.4 29.74 1007.12 1007.12	0.0 0 0 0	93	Calm, no wind	Calm			100%. 10/10. 8 oktas				6.1 43	10.6 51			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	7.2 45
October 22, Wednesday	23	7.8 46	754.0 29.69 1005.25 1005.25	755.3 29.74 1006.98 1006.98	1.0 0.04 1.33 1.33	96	Wind blowing from the south-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								2000-2500 6562-8202			16.0 9.9	7.2 45
	20	8.9 48	753.0 29.65 1003.92 1003.92	754.4 29.7 1005.78 1005.78	1.3 0.05 1.73 1.73	93	Calm, no wind	Calm			no clouds no clouds no clouds				6.1 43	15.0 59						16.0 9.9	7.8 46	2.0 0.08	6
	17	11.7 53	751.7 29.59 1002.18 1002.18	753.1 29.65 1004.05 1004.05	0.7 0.03 0.93 0.93	93	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft		100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							600-1000 1968-3281			16.0 9.9	10.6 51	2.0 0.08	3
	14	13.9 57	751.0 29.57 1001.25 1001.25	752.3 29.62 1002.98 1002.98	-1.2 -0.05 -1.6 -1.6	93	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				9.4 49	14.4 58			300-600 984-1968			16.0 9.9	12.8 55	9.0 0.35	6
	11	11.1 52	752.2 29.61 1002.85 1002.85	753.7 29.67 1004.85 1004.85	-2.3 -0.09 -3.07 -3.07	100	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.							300-600 984-1968			6.0 3.7	11.1 52	8.0 0.31	3