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 July 30, Thursday	02	19.2 67	746.6 29.39 995.39 995.39	756.8 29.8 1008.98 1008.98	0.4 0.02 0.53 0.53	99	Wind blowing from the north	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Rain.	Rain.	18.7 66	23.7 75	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	50-100 164-328	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		24.0 14.9	19.1 66	13.0 0.51	6
July 29, Wednesday	23	18.8 66	746.2 29.38 994.85 994.85	756.4 29.78 1008.45 1008.45	0.6 0.02 0.8 0.8	99	Calm, no wind	Calm			100%. 10/10. 8 oktas								50-100 164-328			16.0 9.9	18.7 66
	20	19.5 67	745.6 29.35 994.05 994.05	755.8 29.76 1007.65 1007.65	0.9 0.04 1.2 1.2	97	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Rain.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	19.5 67	23.7 75	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	600-1000 1968-3281			8.0 5.0	19.0 66	2.0 0.08	6
	17	22.4 72	744.7 29.32 992.85 992.85	754.9 29.72 1006.45 1006.45	0.3 0.01 0.4 0.4	76	Wind blowing from the north	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas								600-1000 1968-3281			24.0 14.9	18.0 64
	14	20.7 69	744.4 29.31 992.45 992.45	754.6 29.71 1006.05 1006.05	0.3 0.01 0.4 0.4	84	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas				19.2 67	21.6 71	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	300-600 984-1968			24.0 14.9	17.9 64	No precipitation No precipitation	6
	11	21.5 71	744.1 29.3 992.05 992.05	754.3 29.7 1005.65 1005.65	1.1 0.04 1.47 1.47	84	Wind blowing from the north	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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								600-1000 1968-3281			24.0 14.9	18.6 65
	08	20.0 68	743.0 29.25 990.59 990.59	753.2 29.65 1004.18 1004.18	0.9 0.04 1.2 1.2	96	Wind blowing from the north	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain (not freezing) not falling as shower(s).	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	19.2 67	23.1 74	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	300-600 984-1968			19.0 11.8	19.3 67	7.0 0.28	6
	05	19.6 67	742.1 29.22 989.39 989.39	752.2 29.61 1002.85 1002.85	0.2 0.01 0.27 0.27	99	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								100-200 328-656			3.2 2.0	19.4 67
	02	20.0 68	741.9 29.21 989.12 989.12	752.0 29.61 1002.58 1002.58	-0.1 -0 -0.13 -0.13	98	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	18.5 65	23.1 74	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	50-100 164-328			6.0 3.7	19.7 67	No precipitation No precipitation	6