Weather archive in Montreal / Pierre Elliott Trudeau (airport)

To receive explanations, hover over the appropriate heading

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 June 23, Tuesday	13	25.1 77	755.4 29.74 1007.12 1007.12	758.7 29.87 1011.52 1011.52	-1.0 -0.04 -1.33 -1.33	47	Wind blowing from the west-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			50%. 5/10. 4 oktas				17.0 63	25.2 77	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	1500-2000 4921-6562	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	45.0 28.0	13.0 55	No precipitation No precipitation	6
	10	22.7 73	756.4 29.78 1008.45 1008.45	759.7 29.91 1012.85 1012.85	-0.3 -0.01 -0.4 -0.4	66	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas								1000-1500 3281-4921			45.0 28.0	16.1 61
	07	19.0 66	756.7 29.79 1008.85 1008.85	760.0 29.92 1013.25 1013.25	0.4 0.02 0.53 0.53	81	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas				17.0 63	24.1 75	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	24.0 14.9	15.7 60	No precipitation No precipitation	6
	04	17.3 63	756.3 29.78 1008.32 1008.32	759.6 29.91 1012.72 1012.72	-0.6 -0.02 -0.8 -0.8	84	Wind blowing from the south	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			24.0 14.9	14.6 58
	01	17.3 63	756.9 29.8 1009.12 1009.12	760.2 29.93 1013.52 1013.52	-0.7 -0.03 -0.93 -0.93	81	Wind blowing from the east-southeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				14.5 58	24.1 75	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	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.	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.	No Cirrus, Cirrocumulus or Cirrostratus.	24.0 14.9	14.0 57	No precipitation No precipitation	6
June 22, Monday	22	18.2 65	757.6 29.83 1010.05 1010.05	760.9 29.96 1014.45 1014.45	0.0 0 0 0	79	Wind blowing from the south	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								1000-1500 3281-4921			24.0 14.9	14.5 58
	19	20.3 69	757.6 29.83 1010.05 1010.05	760.9 29.96 1014.45 1014.45	0.1 0 0.13 0.13	69	Wind blowing from the south	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				14.5 58	24.1 75	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	1000-1500 3281-4921	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.	No Cirrus, Cirrocumulus or Cirrostratus.	45.0 28.0	14.5 58	No precipitation No precipitation	6
	16	23.0 73	757.5 29.82 1009.92 1009.92	760.8 29.95 1014.32 1014.32	-0.6 -0.02 -0.8 -0.8	61	Wind blowing from the south	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								1000-1500 3281-4921			24.0 14.9	15.0 59
	13	23.6 74	758.1 29.85 1010.72 1010.72	761.4 29.98 1015.12 1015.12	-0.3 -0.01 -0.4 -0.4	58	Wind blowing from the south-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas				14.5 58	23.7 75	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	Cirrostratus covering the whole sky.	45.0 28.0	14.8 59	No precipitation No precipitation	6