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 September 19, Saturday	02	12.8 55	765.7 30.15 1020.85 1020.85	766.3 30.17 1021.65 1021.65	0.3 0.01 0.4 0.4	90	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	11.1 52
September 18, Friday	23	16.1 61	765.4 30.13 1020.45 1020.45	766.0 30.16 1021.25 1021.25	0.3 0.01 0.4 0.4	78	Calm, no wind	Calm			no clouds no clouds no clouds				13.3 56	20.0 68						16.0 9.9	12.2 54
	20	18.3 65	765.1 30.12 1020.05 1020.05	765.7 30.15 1020.85 1020.85	-0.6 -0.02 -0.8 -0.8	73	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	13.3 56
	17	19.4 67	765.7 30.15 1020.85 1020.85	766.3 30.17 1021.65 1021.65	-1.2 -0.05 -1.6 -1.6	63		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				14.4 58	20.0 68			600-1000 1968-3281			16.0 9.9	12.2 54
	14	17.2 63	766.9 30.19 1022.45 1022.45	767.5 30.22 1023.25 1023.25	-0.3 -0.01 -0.4 -0.4	70	Calm, no wind	Calm			100%. 10/10. 8 oktas								600-1000 1968-3281			16.0 9.9	11.7 53
	11	15.6 60	767.2 30.2 1022.85 1022.85	767.8 30.23 1023.65 1023.65	0.3 0.01 0.4 0.4	75	Calm, no wind	Calm			100%. 10/10. 8 oktas				12.8 55	20.0 68			300-600 984-1968			16.0 9.9	11.1 52
	08	13.9 57	766.9 30.19 1022.45 1022.45	767.5 30.22 1023.25 1023.25	1.5 0.06 2 2	83	Wind blowing from the north-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			16.0 9.9	11.1 52
	05	14.4 58	765.4 30.13 1020.45 1020.45	765.9 30.15 1021.12 1021.12	1.0 0.04 1.33 1.33	84	Calm, no wind	Calm			no clouds no clouds no clouds				14.4 58	30.0 86						16.0 9.9	11.7 53
	02	16.7 62	764.4 30.09 1019.12 1019.12	764.8 30.11 1019.65 1019.65	1.3 0.05 1.73 1.73	65	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	10.0 50