Weather archive in Portland (airport), Washington

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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 July 21, Tuesday	20	33.9 93	756.7 29.79 1008.85 1008.85	757.4 29.82 1009.78 1009.78	-0.3 -0.01 -0.4 -0.4	30	Wind blowing from the north-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.			12.0 7.5	13.9 57
	17	37.8 100	757.0 29.8 1009.25 1009.25	757.5 29.82 1009.92 1009.92	-1.5 -0.06 -2 -2	23	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas	Haze.			18.3 65	37.8 100			2500 or more, or no clouds. 8202 or more, or no clouds.			9.0 5.6	13.3 56
	14	32.8 91	758.5 29.86 1011.25 1011.25	759.1 29.89 1012.05 1012.05	-1.1 -0.04 -1.47 -1.47	33	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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	14.4 58
	11	26.7 80	759.6 29.91 1012.72 1012.72	760.2 29.93 1013.52 1013.52	-0.2 -0.01 -0.27 -0.27	51	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				18.3 65	26.7 80						14.0 8.7	15.6 60
	08	20.6 69	759.8 29.91 1012.98 1012.98	760.3 29.93 1013.65 1013.65	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	16.7 62
	05	18.3 65	759.3 29.89 1012.32 1012.32	759.9 29.92 1013.12 1013.12	0.2 0.01 0.27 0.27	90	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas				18.3 65	30.0 86			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	16.7 62
	02	21.7 71	759.1 29.89 1012.05 1012.05	759.5 29.9 1012.58 1012.58	0.0 0 0 0	73	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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	16.7 62
July 20, Monday	23	23.9 75	759.1 29.89 1012.05 1012.05	759.6 29.91 1012.72 1012.72	0.6 0.02 0.8 0.8	69	Calm, no wind	Calm			50%. 5/10. 4 oktas				17.8 64	30.0 86			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	17.8 64
July 20, Monday	20	28.3 83	758.5 29.86 1011.25 1011.25	759.1 29.89 1012.05 1012.05	-0.3 -0.01 -0.4 -0.4	48	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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	16.1 61