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 May 22, Friday	14	18.1 65	761.8 29.99 1015.65 1015.65	772.4 30.41 1029.78 1029.78	-1.2 -0.05 -1.6 -1.6	29	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				0.6 33	18.1 65	Cumulus humilis or Cumulus 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	2000-2500 6562-8202	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	-0.4 31	No precipitation No precipitation	6
	11	14.7 58	763.0 30.04 1017.25 1017.25	773.7 30.46 1031.52 1031.52	-0.4 -0.02 -0.53 -0.53	31	Wind blowing from the east-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	-2.5 28
	08	9.8 50	763.4 30.06 1017.78 1017.78	774.1 30.48 1032.05 1032.05	1.3 0.05 1.73 1.73	52	Calm, no wind	Calm			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				0.6 33	15.1 59	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 fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	0.2 32	No precipitation No precipitation	6
	05	2.6 37	762.1 30 1016.05 1016.05	772.9 30.43 1030.45 1030.45	0.4 0.02 0.53 0.53	70	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											24.0 14.9	-2.3 28
	02	5.3 42	761.7 29.99 1015.52 1015.52	772.3 30.41 1029.65 1029.65	0.6 0.02 0.8 0.8	57	Wind blowing from the north	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds				4.1 39	15.1 59						24.0 14.9	-2.6 27	No precipitation No precipitation	6
May 21, Thursday	23	8.1 47	761.1 29.96 1014.72 1014.72	771.7 30.38 1028.85 1028.85	1.1 0.04 1.47 1.47	47	Wind blowing from the north-northeast	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	-2.7 27
	20	12.8 55	760.0 29.92 1013.25 1013.25	770.7 30.34 1027.52 1027.52	0.4 0.02 0.53 0.53	29	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				4.1 39	15.1 59	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 fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	-5.0 23	No precipitation No precipitation	6
	17	14.3 58	759.6 29.91 1012.72 1012.72	770.2 30.32 1026.85 1026.85	-0.8 -0.03 -1.07 -1.07	28	Wind blowing from the north-northwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			no clouds no clouds no clouds											24.0 14.9	-4.0 25
	14	12.4 54	760.4 29.94 1013.78 1013.78	771.1 30.36 1028.05 1028.05	-0.5 -0.02 -0.67 -0.67	36	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				4.1 39	12.8 55						24.0 14.9	-2.4 28	No precipitation No precipitation	6