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 December 1, Monday | 10 | -9.5 15 | 762.1 30 1016.05 1016.05 | 773.0 30.43 1030.58 1030.58 | 2.2 0.09 2.93 2.93 | 70 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 600-1000 1968-3281 | 24.0 14.9 | -14.0 7 | |||||||||||||||||
09 | -9.5 15 | 761.5 29.98 1015.25 1015.25 | 772.4 30.41 1029.78 1029.78 | 72 | -13.7 7 | ||||||||||||||||||||||||
08 | -9.5 15 | 761.0 29.96 1014.58 1014.58 | 772.0 30.39 1029.25 1029.25 | 71 | -13.9 7 | ||||||||||||||||||||||||
07 | -9.0 16 | 759.9 29.92 1013.12 1013.12 | 770.8 30.35 1027.65 1027.65 | 3.2 0.13 4.27 4.27 | 72 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | -9.3 15 | 1.7 35 | 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 | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 24.0 14.9 | -13.1 8 | No precipitation No precipitation | 6 | Even layer of compact or wet snow covering ground completely. | 5 2 | ||||||||
06 | -8.9 16 | 758.8 29.87 1011.65 1011.65 | 769.8 30.31 1026.32 1026.32 | 74 | -12.7 9 | ||||||||||||||||||||||||
05 | -7.6 18 | 757.8 29.83 1010.32 1010.32 | 768.7 30.26 1024.85 1024.85 | 73 | -11.6 11 | ||||||||||||||||||||||||
04 | -6.4 20 | 756.7 29.79 1008.85 1008.85 | 767.5 30.22 1023.25 1023.25 | 5.0 0.2 6.67 6.67 | 66 | Wind blowing from the north-west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 24.0 14.9 | -11.7 11 | ||||||||||||||||||
03 | -4.0 25 | 755.0 29.72 1006.58 1006.58 | 765.8 30.15 1020.98 1020.98 | 72 | -8.4 17 | ||||||||||||||||||||||||
01 | -1.9 29 | 751.7 29.59 1002.18 1002.18 | 762.5 30.02 1016.58 1016.58 | 4.5 0.18 6 6 | 77 | Wind blowing from the west-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Shower(s). | Snow and/or other types of solid precipitation | -4.4 24 | 1.7 35 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 24.0 14.9 | -5.4 22 | Trace of precipitation Trace of precipitation | 6 | |||||||||
00 | -0.9 30 | 750.1 29.53 1000.05 1000.05 | 760.8 29.95 1014.32 1014.32 | 88 | -2.7 27 | ||||||||||||||||||||||||
| November 30, Sunday | 22 | 1.2 34 | 747.2 29.42 996.18 996.18 | 757.9 29.84 1010.45 1010.45 | 0.3 0.01 0.4 0.4 | 85 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 11.0 6.8 | -1.0 30 | |||||||||||||||||
21 | 1.6 35 | 747.2 29.42 996.18 996.18 | 757.9 29.84 1010.45 1010.45 | 82 | -1.1 30 | ||||||||||||||||||||||||
20 | 1.6 35 | 747.1 29.41 996.05 996.05 | 757.7 29.83 1010.18 1010.18 | 86 | -0.5 31 | ||||||||||||||||||||||||
19 | 1.3 34 | 746.9 29.41 995.79 995.79 | 757.6 29.83 1010.05 1010.05 | 0.4 0.02 0.53 0.53 | 90 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. Depth of newly fallen snow is 1 cm. 0.4 inches. | Rain and snow or other types of solid precipitation | Rain and snow or other types of solid precipitation | -4.4 24 | 1.3 34 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | -0.2 32 | 1.0 0.04 | 6 | Even layer of compact or wet snow covering ground completely. | 5 2 | |||||||
18 | 0.9 34 | 746.5 29.39 995.25 995.25 | 757.3 29.81 1009.65 1009.65 | 92 | -0.3 31 | ||||||||||||||||||||||||
17 | 0.3 33 | 746.0 29.37 994.59 994.59 | 756.7 29.79 1008.85 1008.85 | 94 | -0.6 31 | ||||||||||||||||||||||||
16 | 0.2 32 | 746.5 29.39 995.25 995.25 | 757.2 29.81 1009.52 1009.52 | -2.2 -0.09 -2.93 -2.93 | 92 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 200-300 656-984 | 4.0 2.5 | -0.9 30 | ||||||||||||||||||
15 | -0.2 32 | 746.8 29.4 995.65 995.65 | 757.5 29.82 1009.92 1009.92 | 92 | -1.3 30 | ||||||||||||||||||||||||
14 | -0.6 31 | 747.6 29.43 996.72 996.72 | 758.3 29.85 1010.98 1010.98 | 93 | -1.6 29 | ||||||||||||||||||||||||
13 | -1.1 30 | 748.7 29.48 998.18 998.18 | 759.4 29.9 1012.45 1012.45 | -3.7 -0.15 -4.93 -4.93 | 92 | Wind blowing from the east-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 3 cm. 1.2 inches. | Snow and/or other types of solid precipitation | Snow and/or other types of solid precipitation | -7.8 18 | -1.1 30 | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 100%. 10/10. 8 oktas | 200-300 656-984 | 1.2 0.8 | -2.2 28 | 2.0 0.08 | 6 | Even layer of compact or wet snow covering ground completely. | 4 1.6 | |||||||
12 | -1.7 29 | 749.8 29.52 999.65 999.65 | 760.6 29.94 1014.05 1014.05 | 91 | -3.0 27 | ||||||||||||||||||||||||
11 | -2.2 28 | 751.1 29.57 1001.38 1001.38 | 761.9 30 1015.78 1015.78 | 90 | -3.6 26 | ||||||||||||||||||||||||
10 | -2.8 27 | 752.4 29.62 1003.12 1003.12 | 763.3 30.05 1017.65 1017.65 | -2.8 -0.11 -3.73 -3.73 | 89 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 1.2 0.8 | -4.4 24 | ||||||||||||||||||||