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 | |
| 2026 May 22, Friday | 08 | 9.8 50 | 763.4 30.06 1017.78 1017.78 | 774.1 30.48 1032.05 1032.05 | 1.3 0.05 1.73 1.73 | 52 | Calm, no wind | Calm | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 0.6 33 | 15.1 59 | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 24.0 14.9 | 0.2 32 | No precipitation No precipitation | 6 | |||||||||
05 | 2.6 37 | 762.1 30 1016.05 1016.05 | 772.9 30.43 1030.45 1030.45 | 0.4 0.02 0.53 0.53 | 70 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 24.0 14.9 | -2.3 28 | |||||||||||||||||||
02 | 5.3 42 | 761.7 29.99 1015.52 1015.52 | 772.3 30.41 1029.65 1029.65 | 0.6 0.02 0.8 0.8 | 57 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 4.1 39 | 15.1 59 | 24.0 14.9 | -2.6 27 | No precipitation No precipitation | 6 | |||||||||||||||
| May 21, Thursday | 23 | 8.1 47 | 761.1 29.96 1014.72 1014.72 | 771.7 30.38 1028.85 1028.85 | 1.1 0.04 1.47 1.47 | 47 | Wind blowing from the north-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 24.0 14.9 | -2.7 27 | ||||||||||||||||||
20 | 12.8 55 | 760.0 29.92 1013.25 1013.25 | 770.7 30.34 1027.52 1027.52 | 0.4 0.02 0.53 0.53 | 29 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 4.1 39 | 15.1 59 | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 24.0 14.9 | -5.0 23 | No precipitation No precipitation | 6 | ||||||||||
17 | 14.3 58 | 759.6 29.91 1012.72 1012.72 | 770.2 30.32 1026.85 1026.85 | -0.8 -0.03 -1.07 -1.07 | 28 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 24.0 14.9 | -4.0 25 | |||||||||||||||||||
14 | 12.4 54 | 760.4 29.94 1013.78 1013.78 | 771.1 30.36 1028.05 1028.05 | -0.5 -0.02 -0.67 -0.67 | 36 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 4.1 39 | 12.8 55 | 24.0 14.9 | -2.4 28 | No precipitation No precipitation | 6 | |||||||||||||||
11 | 8.9 48 | 760.9 29.96 1014.45 1014.45 | 771.6 30.38 1028.72 1028.72 | 0.0 0 0 0 | 46 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 24.0 14.9 | -2.2 28 | |||||||||||||||||||
08 | 5.2 41 | 760.9 29.96 1014.45 1014.45 | 771.6 30.38 1028.72 1028.72 | 1.8 0.07 2.4 2.4 | 55 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 4.1 39 | 21.0 70 | 24.0 14.9 | -3.1 26 | No precipitation No precipitation | 6 | |||||||||||||||
