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 3, Wednesday | 07 | -10.3 13 | 750.9 29.56 1001.12 1001.12 | 761.8 29.99 1015.65 1015.65 | 0.0 0 0 0 | 88 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | 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. | -14.1 7 | -5.2 23 | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 100-200 328-656 | 4.8 3.0 | -11.9 11 | No precipitation No precipitation | 6 | Even layer of compact or wet snow covering ground completely. | 4 1.6 | ||||||
06 | -10.7 13 | 750.6 29.55 1000.72 1000.72 | 761.5 29.98 1015.25 1015.25 | 88 | -12.3 10 | ||||||||||||||||||||||||
05 | -11.6 11 | 750.6 29.55 1000.72 1000.72 | 761.5 29.98 1015.25 1015.25 | 87 | -13.3 8 | ||||||||||||||||||||||||
04 | -12.1 10 | 750.9 29.56 1001.12 1001.12 | 761.8 29.99 1015.65 1015.65 | 0.2 0.01 0.27 0.27 | 86 | Wind blowing from the south | 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 | 1500-2000 4921-6562 | 9.0 5.6 | -14.0 7 | ||||||||||||||||||
03 | -13.2 8 | 751.0 29.57 1001.25 1001.25 | 761.9 30 1015.78 1015.78 | 85 | -15.2 5 | ||||||||||||||||||||||||
02 | -13.6 8 | 750.9 29.56 1001.12 1001.12 | 761.8 29.99 1015.65 1015.65 | 86 | -15.5 4 | ||||||||||||||||||||||||
01 | -13.0 9 | 750.7 29.56 1000.85 1000.85 | 761.7 29.99 1015.52 1015.52 | 0.2 0.01 0.27 0.27 | 87 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | -13.7 7 | -5.2 23 | 24.0 14.9 | -14.8 5 | No precipitation No precipitation | 6 | ||||||||||||
00 | -12.2 10 | 750.6 29.55 1000.72 1000.72 | 761.5 29.98 1015.25 1015.25 | 89 | -13.7 7 | ||||||||||||||||||||||||
| December 2, Tuesday | 23 | -11.8 11 | 750.7 29.56 1000.85 1000.85 | 761.6 29.98 1015.38 1015.38 | 89 | -13.3 8 | |||||||||||||||||||||||
22 | -12.2 10 | 750.5 29.55 1000.58 1000.58 | 761.5 29.98 1015.25 1015.25 | 0.3 0.01 0.4 0.4 | 91 | Wind blowing from the east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 24.0 14.9 | -13.4 8 | |||||||||||||||||||
21 | -9.5 15 | 750.2 29.54 1000.18 1000.18 | 761.2 29.97 1014.85 1014.85 | 89 | -11.0 12 | ||||||||||||||||||||||||
20 | -8.7 16 | 750.3 29.54 1000.32 1000.32 | 761.2 29.97 1014.85 1014.85 | 86 | -10.7 13 | ||||||||||||||||||||||||
19 | -9.2 15 | 750.2 29.54 1000.18 1000.18 | 761.2 29.97 1014.85 1014.85 | -0.1 -0 -0.13 -0.13 | 86 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | -11.1 12 | -5.2 23 | 24.0 14.9 | -11.2 12 | No precipitation No precipitation | 6 | |||||||||||||||
18 | -9.0 16 | 750.1 29.53 1000.05 1000.05 | 761.0 29.96 1014.58 1014.58 | 83 | -11.4 11 | ||||||||||||||||||||||||
17 | -8.3 17 | 750.3 29.54 1000.32 1000.32 | 761.2 29.97 1014.85 1014.85 | 80 | -11.2 12 | ||||||||||||||||||||||||
16 | -6.4 20 | 750.3 29.54 1000.32 1000.32 | 761.2 29.97 1014.85 1014.85 | -0.9 -0.04 -1.2 -1.2 | 75 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 24.0 14.9 | -10.1 14 | ||||||||||||||||||
15 | -5.5 22 | 750.4 29.54 1000.45 1000.45 | 761.2 29.97 1014.85 1014.85 | 74 | -9.4 15 | ||||||||||||||||||||||||
14 | -5.3 22 | 750.7 29.56 1000.85 1000.85 | 761.5 29.98 1015.25 1015.25 | 75 | -9.1 16 | ||||||||||||||||||||||||
13 | -5.9 21 | 751.2 29.57 1001.52 1001.52 | 762.1 30 1016.05 1016.05 | -1.6 -0.06 -2.13 -2.13 | 75 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | -11.9 11 | -5.9 21 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 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 | -9.7 15 | No precipitation No precipitation | 6 | ||||||||||
12 | -7.3 19 | 751.6 29.59 1002.05 1002.05 | 762.5 30.02 1016.58 1016.58 | 79 | -10.4 13 | ||||||||||||||||||||||||
11 | -8.0 18 | 752.1 29.61 1002.72 1002.72 | 763.0 30.04 1017.25 1017.25 | 82 | -10.6 13 | ||||||||||||||||||||||||
10 | -9.1 16 | 752.8 29.64 1003.65 1003.65 | 763.9 30.07 1018.45 1018.45 | -0.8 -0.03 -1.07 -1.07 | 84 | Wind blowing from the north-east | 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. | 24.0 14.9 | -11.4 11 | ||||||||||||||||||
09 | -9.9 14 | 753.1 29.65 1004.05 1004.05 | 764.2 30.09 1018.85 1018.85 | 84 | -12.1 10 | ||||||||||||||||||||||||
08 | -10.6 13 | 753.3 29.66 1004.32 1004.32 | 764.3 30.09 1018.98 1018.98 | 84 | -12.8 9 | ||||||||||||||||||||||||
07 | -11.1 12 | 753.6 29.67 1004.72 1004.72 | 764.6 30.1 1019.38 1019.38 | -0.8 -0.03 -1.07 -1.07 | 85 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | -11.9 11 | 24.0 14.9 | -13.2 8 | Trace of precipitation Trace of precipitation | 6 | Even layer of compact or wet snow covering ground completely. | 5 2 | |||||||||||