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
2025 July 15, Tuesday	06	16.7 62	752.8 29.64 1003.65 1003.65	763.0 30.04 1017.25 1017.25		100																	16.7 62
	05	16.6 62	752.4 29.62 1003.12 1003.12	762.7 30.03 1016.85 1016.85	0.5 0.02 0.67 0.67	100	Calm, no wind	Calm			no clouds no clouds no clouds											12.0 7.5	16.6 62
	04	17.1 63	752.2 29.61 1002.85 1002.85	762.4 30.02 1016.45 1016.45		100																	17.1 63
	03	18.1 65	751.9 29.6 1002.45 1002.45	762.2 30.01 1016.18 1016.18		100																	18.1 65
	02	19.6 67	751.9 29.6 1002.45 1002.45	762.1 30 1016.05 1016.05	0.1 0 0.13 0.13	91	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				19.0 66	29.0 84						12.0 7.5	18.1 65	No precipitation No precipitation	6
	01	20.0 68	751.9 29.6 1002.45 1002.45	762.2 30.01 1016.18 1016.18		87																	17.8 64
	00	20.8 69	751.9 29.6 1002.45 1002.45	762.1 30 1016.05 1016.05		85																	18.2 65
July 14, Monday	23	21.9 71	751.8 29.6 1002.32 1002.32	762.1 30 1016.05 1016.05	0.9 0.04 1.2 1.2	81	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											12.0 7.5	18.5 65
	22	22.5 73	751.5 29.59 1001.92 1001.92	761.8 29.99 1015.65 1015.65		80																	18.9 66
	21	23.4 74	751.1 29.57 1001.38 1001.38	761.4 29.98 1015.12 1015.12		75																	18.7 66
	20	25.8 78	750.9 29.56 1001.12 1001.12	761.1 29.96 1014.72 1014.72	0.2 0.01 0.27 0.27	68	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				19.0 66	29.0 84						11.0 6.8	19.4 67	No precipitation No precipitation	6
	19	27.4 81	750.7 29.56 1000.85 1000.85	760.9 29.96 1014.45 1014.45		59																	18.7 66
	18	28.0 82	750.7 29.56 1000.85 1000.85	760.9 29.96 1014.45 1014.45		57																	18.7 66
	17	28.5 83	750.7 29.56 1000.85 1000.85	760.9 29.96 1014.45 1014.45	-1.2 -0.05 -1.6 -1.6	54	Wind blowing from the south-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	18.3 65
	15	27.2 81	751.5 29.59 1001.92 1001.92	761.7 29.99 1015.52 1015.52		52																	16.4 62
	14	27.4 81	751.9 29.6 1002.45 1002.45	762.1 30 1016.05 1016.05	-0.2 -0.01 -0.27 -0.27	52	Wind blowing from the west	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	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	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.	19.0 66	27.7 82	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.	9.0 5.6	16.7 62	No precipitation No precipitation	6
	13	27.3 81	752.0 29.61 1002.58 1002.58	762.2 30.01 1016.18 1016.18		53																	16.9 62
	12	25.5 78	752.1 29.61 1002.72 1002.72	762.3 30.01 1016.32 1016.32		63																	17.9 64
	11	23.9 75	752.1 29.61 1002.72 1002.72	762.4 30.02 1016.45 1016.45	0.7 0.03 0.93 0.93	71	Wind blowing from the west-southwest	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								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	18.4 65
	10	22.2 72	751.9 29.6 1002.45 1002.45	762.1 30 1016.05 1016.05		87																	19.9 68
	09	21.0 70	751.7 29.59 1002.18 1002.18	762.0 30 1015.92 1015.92		95																	20.2 68
	08	20.5 69	751.4 29.58 1001.78 1001.78	761.7 29.99 1015.52 1015.52	0.6 0.02 0.8 0.8	100	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				19.0 66	31.9 89	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.	12.0 7.5	20.5 69	No precipitation No precipitation	6
	07	19.6 67	751.2 29.57 1001.52 1001.52	761.5 29.98 1015.25 1015.25		100																	19.6 67
	06	19.2 67	750.9 29.56 1001.12 1001.12	761.2 29.97 1014.85 1014.85		100																	19.2 67

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