Weather archive in Ottawa (airport)

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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 August 26, Wednesday	02	14.2 58	752.5 29.63 1003.25 1003.25	762.9 30.04 1017.12 1017.12	0.3 0.01 0.4 0.4	98	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				13.5 56	22.9 73	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	24.0 14.9	13.9 57	No precipitation No precipitation	6
August 25, Tuesday	23	15.6 60	752.2 29.61 1002.85 1002.85	762.6 30.02 1016.72 1016.72	0.7 0.03 0.93 0.93	96	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											24.0 14.9	14.9 59
	20	17.3 63	751.5 29.59 1001.92 1001.92	761.8 29.99 1015.65 1015.65	0.9 0.04 1.2 1.2	85	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas	Clouds generally dissolving or becoming less developed.	Rain.	Rain.	14.3 58	22.9 73	Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	14.7 58	Trace of precipitation Trace of precipitation	6
	17	21.7 71	750.6 29.55 1000.72 1000.72	760.9 29.96 1014.45 1014.45	-0.3 -0.01 -0.4 -0.4	65	Wind blowing from the west-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			60%. 6/10. 5 oktas								1000-1500 3281-4921			24.0 14.9	14.8 59
	14	18.1 65	750.9 29.56 1001.12 1001.12	761.2 29.97 1014.85 1014.85	0.2 0.01 0.27 0.27	94	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	13.8 57	20.5 69	Stratocumulus other than Stratocumulus cumulogenitus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	17.1 63	2.0 0.08	6
	11	18.3 65	750.7 29.56 1000.85 1000.85	761.1 29.96 1014.72 1014.72	0.4 0.02 0.53 0.53	86	Wind blowing from the north-west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas								200-300 656-984			24.0 14.9	15.9 61
	08	15.2 59	750.3 29.54 1000.32 1000.32	760.6 29.94 1014.05 1014.05	1.2 0.05 1.6 1.6	100	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)				Mist.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	13.8 57							1.2 0.8	15.2 59	No precipitation No precipitation	6
	05	14.5 58	749.1 29.49 998.72 998.72	759.4 29.9 1012.45 1012.45	0.4 0.02 0.53 0.53	99	Wind blowing from the west-northwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)														0.4 0.3	14.4 58
	02	14.7 58	748.7 29.48 998.18 998.18	759.0 29.88 1011.92 1011.92	0.0 0 0 0	99	Wind blowing from the south-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)				Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.	13.2 56	21.3 70						0.4 0.3	14.6 58	No precipitation No precipitation	6