Weather archive in Portland (airport), Washington

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
2026 August 19, Wednesday	02	16.1 61	763.3 30.05 1017.65 1017.65	763.8 30.07 1018.32 1018.32	0.0 0 0 0	81	Wind blowing from the north-northwest	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
August 18, Tuesday	23	18.9 66	763.3 30.05 1017.65 1017.65	763.9 30.07 1018.45 1018.45	1.2 0.05 1.6 1.6	70	Wind blowing from the north-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				16.1 61	29.4 85			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	13.3 56
	20	25.6 78	762.1 30 1016.05 1016.05	762.7 30.03 1016.85 1016.85	-0.5 -0.02 -0.67 -0.67	50	Wind blowing from the north-northwest	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.			16.0 9.9	14.4 58
	17	28.3 83	762.6 30.02 1016.72 1016.72	763.2 30.05 1017.52 1017.52	-1.3 -0.05 -1.73 -1.73	43	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				16.1 61	28.9 84			2500 or more, or no clouds. 8202 or more, or no clouds.			12.0 7.5	14.4 58
	14	25.0 77	763.9 30.07 1018.45 1018.45	764.3 30.09 1018.98 1018.98	-1.2 -0.05 -1.6 -1.6	52	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	14.4 58
	11	18.3 65	765.1 30.12 1020.05 1020.05	765.7 30.15 1020.85 1020.85	0.0 0 0 0	76	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				15.6 60	21.7 71			300-600 984-1968			16.0 9.9	13.9 57
	08	16.7 62	765.1 30.12 1020.05 1020.05	765.6 30.14 1020.72 1020.72	1.0 0.04 1.33 1.33	84	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	13.9 57
	05	16.1 61	764.1 30.08 1018.72 1018.72	764.7 30.11 1019.52 1019.52	0.8 0.03 1.07 1.07	87	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				16.1 61	29.4 85			200-300 656-984			16.0 9.9	13.9 57
	02	18.3 65	763.3 30.05 1017.65 1017.65	764.0 30.08 1018.58 1018.58	0.2 0.01 0.27 0.27	78	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	14.4 58