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 October 16, Friday	20	6.6 44	747.3 29.42 996.32 996.32	757.8 29.83 1010.32 1010.32	3.6 0.14 4.8 4.8	75	Wind blowing from the west-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				5.3 42	8.5 47	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	2.5 37	No precipitation No precipitation	6
	17	7.6 46	743.7 29.28 991.52 991.52	754.2 29.69 1005.52 1005.52	3.1 0.12 4.13 4.13	83	Wind blowing from the west-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas								300-600 984-1968			24.0 14.9	4.8 41
	14	8.2 47	740.6 29.16 987.39 987.39	751.0 29.57 1001.25 1001.25	0.7 0.03 0.93 0.93	93	Wind blowing from the west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Rain.	Rain.	3.9 39	8.5 47	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	200-300 656-984			19.0 11.8	7.1 45	2.0 0.08	6
	11	6.9 44	739.9 29.13 986.45 986.45	750.4 29.54 1000.45 1000.45	-1.7 -0.07 -2.27 -2.27	98	Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas								50-100 164-328			3.2 2.0	6.6 44
	08	5.4 42	741.6 29.2 988.72 988.72	752.1 29.61 1002.72 1002.72	-3.4 -0.13 -4.53 -4.53	97	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain, not freezing, continuous, slight at time of observation.	Shower(s).	Shower(s).	3.9 39	12.8 55	Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	100%. 10/10. 8 oktas	50-100 164-328			2.4 1.5	5.0 41	16.0 0.63	6
	05	5.8 42	745.0 29.33 993.25 993.25	755.5 29.74 1007.25 1007.25	-3.4 -0.13 -4.53 -4.53	97	Wind blowing from the north-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas								100-200 328-656			4.0 2.5	5.3 42
	02	7.8 46	748.4 29.46 997.78 997.78	758.9 29.88 1011.78 1011.78	-3.9 -0.15 -5.2 -5.2	71	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	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.	2.9 37	12.8 55	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	100%. 10/10. 8 oktas	2000-2500 6562-8202	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	2.8 37	Trace of precipitation Trace of precipitation	6
October 15, Thursday	23	8.1 47	752.3 29.62 1002.98 1002.98	762.8 30.03 1016.98 1016.98	-2.8 -0.11 -3.73 -3.73	68	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	2.5 37
October 15, Thursday	20	7.8 46	755.1 29.73 1006.72 1006.72	765.7 30.15 1020.85 1020.85	-1.6 -0.06 -2.13 -2.13	71	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				2.9 37	12.8 55	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 spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.	24.0 14.9	2.8 37	No precipitation No precipitation	6