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
2025 September 26, Friday	17	22.8 73	763.3 30.05 1017.65 1017.65	764.1 30.08 1018.72 1018.72	-2.1 -0.08 -2.8 -2.8	33	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				10.6 51	22.8 73			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.6 42
	14	20.0 68	765.4 30.13 1020.45 1020.45	766.1 30.16 1021.38 1021.38	-1.5 -0.06 -2 -2	51	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								600-1000 1968-3281			16.0 9.9	9.4 49
	11	15.6 60	766.9 30.19 1022.45 1022.45	767.6 30.22 1023.38 1023.38	-0.3 -0.01 -0.4 -0.4	65	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				9.4 49	15.6 60			600-1000 1968-3281			16.0 9.9	8.9 48
	08	11.1 52	767.2 30.2 1022.85 1022.85	767.7 30.22 1023.52 1023.52	0.6 0.02 0.8 0.8	80	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas								600-1000 1968-3281			16.0 9.9	7.8 46
	05	10.6 51	766.6 30.18 1022.05 1022.05	767.2 30.2 1022.85 1022.85	0.0 0 0 0	80	Calm, no wind	Calm			no clouds no clouds no clouds				10.6 51	22.8 73						16.0 9.9	7.2 45
	02	11.7 53	766.6 30.18 1022.05 1022.05	767.2 30.2 1022.85 1022.85	0.7 0.03 0.93 0.93	77	Calm, no wind	Calm			no clouds no clouds no clouds											14.0 8.7	7.8 46
September 25, Thursday	23	13.9 57	765.9 30.15 1021.12 1021.12	766.3 30.17 1021.65 1021.65	0.8 0.03 1.07 1.07	69	Wind blowing from the north-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				13.3 56	22.2 72						16.0 9.9	8.3 47
	20	16.7 62	765.1 30.12 1020.05 1020.05	765.7 30.15 1020.85 1020.85	1.2 0.05 1.6 1.6	56	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								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	7.8 46
	17	22.2 72	763.9 30.07 1018.45 1018.45	764.5 30.1 1019.25 1019.25	-0.5 -0.02 -0.67 -0.67	33	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				13.3 56	22.8 73			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	5.0 41