Weather archive in Montreal / Pierre Elliott Trudeau (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 January 21, Wednesday | 19 | -7.0 19 | 759.4 29.9 1012.45 1012.45 | 762.9 30.04 1017.12 1017.12 | -2.1 -0.08 -2.8 -2.8 | 86 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 2 cm. 0.8 inches. | 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. | -12.4 10 | -5.5 22 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.4 1.5 | -8.9 16 | 2.0 0.08 | 6 | Even layer of loose dry snow covering ground completely. | 8 3.1 | ||||||
16 | -6.7 20 | 761.5 29.98 1015.25 1015.25 | 765.0 30.12 1019.92 1019.92 | -2.4 -0.09 -3.2 -3.2 | 76 | Wind blowing from the south-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 4.0 2.5 | -10.2 14 | ||||||||||||||||||
13 | -6.2 21 | 763.9 30.07 1018.45 1018.45 | 767.5 30.22 1023.25 1023.25 | -2.1 -0.08 -2.8 -2.8 | 58 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -12.8 9 | -6.1 21 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 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 | -13.1 8 | No precipitation No precipitation | 6 | |||||||||||
12 | -6.6 20 | 765.0 30.12 1019.92 1019.92 | 768.5 30.26 1024.58 1024.58 | 62 | -12.8 9 | ||||||||||||||||||||||||
11 | -7.1 19 | 765.7 30.15 1020.85 1020.85 | 769.3 30.29 1025.65 1025.65 | 61 | -13.4 8 | ||||||||||||||||||||||||
10 | -8.2 17 | 766.0 30.16 1021.25 1021.25 | 769.5 30.3 1025.92 1025.92 | -0.3 -0.01 -0.4 -0.4 | 62 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | -14.2 6 | ||||||||||||||||||
09 | -9.3 15 | 766.0 30.16 1021.25 1021.25 | 769.6 30.3 1026.05 1026.05 | 68 | -14.1 7 | ||||||||||||||||||||||||
08 | -9.8 14 | 766.2 30.17 1021.52 1021.52 | 769.7 30.3 1026.18 1026.18 | 68 | -14.7 6 | ||||||||||||||||||||||||
07 | -10.0 14 | 766.3 30.17 1021.65 1021.65 | 769.9 30.31 1026.45 1026.45 | 0.3 0.01 0.4 0.4 | 66 | Wind blowing from the south-west | 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 | -12.4 10 | -9.1 16 | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 24.0 14.9 | -15.2 5 | No precipitation No precipitation | 6 | Even layer of loose dry snow covering ground completely. | 7 2.8 | ||||||||
06 | -10.7 13 | 766.2 30.17 1021.52 1021.52 | 769.7 30.3 1026.18 1026.18 | 65 | -16.1 3 | ||||||||||||||||||||||||
04 | -11.7 11 | 766.0 30.16 1021.25 1021.25 | 769.5 30.3 1025.92 1025.92 | 0.6 0.02 0.8 0.8 | 65 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 24.0 14.9 | -17.1 1 | ||||||||||||||||||
03 | -12.0 10 | 766.1 30.16 1021.38 1021.38 | 769.6 30.3 1026.05 1026.05 | 61 | -18.1 -1 | ||||||||||||||||||||||||
02 | -12.0 10 | 765.7 30.15 1020.85 1020.85 | 769.2 30.28 1025.52 1025.52 | 60 | -18.2 -1 | ||||||||||||||||||||||||
01 | -11.8 11 | 765.4 30.13 1020.45 1020.45 | 769.0 30.28 1025.25 1025.25 | 0.7 0.03 0.93 0.93 | 58 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -15.1 5 | -9.1 16 | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1500-2000 4921-6562 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 24.0 14.9 | -18.4 -1 | No precipitation No precipitation | 6 | ||||||||||
00 | -12.0 10 | 765.4 30.13 1020.45 1020.45 | 769.0 30.28 1025.25 1025.25 | 58 | -18.7 -2 | ||||||||||||||||||||||||
| January 20, Tuesday | 23 | -11.6 11 | 765.2 30.13 1020.18 1020.18 | 768.8 30.27 1024.98 1024.98 | 56 | -18.6 -1 | |||||||||||||||||||||||
22 | -10.9 12 | 764.7 30.11 1019.52 1019.52 | 768.3 30.25 1024.32 1024.32 | 1.4 0.06 1.87 1.87 | 55 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | 24.0 14.9 | -18.2 -1 | ||||||||||||||||||
21 | -11.1 12 | 764.4 30.09 1019.12 1019.12 | 768.0 30.24 1023.92 1023.92 | 56 | -18.2 -1 | ||||||||||||||||||||||||
20 | -10.7 13 | 763.9 30.07 1018.45 1018.45 | 767.5 30.22 1023.25 1023.25 | 55 | -18.0 -0 | ||||||||||||||||||||||||
19 | -11.6 11 | 763.3 30.05 1017.65 1017.65 | 766.9 30.19 1022.45 1022.45 | 1.1 0.04 1.47 1.47 | 59 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | -15.1 5 | -11.0 12 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 24.0 14.9 | -18.0 -0 | No precipitation No precipitation | 6 | ||||||||||