Ottawa Macdonald-Cartier Int'l Airport, Ontario

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Latitude 45.32° N | Longitude 75.67° W

Past 24 Hour Conditions

Date / Time
(EDT)
Conditions Temperature
(°C)
Wind
(km/h)
Humidex Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
23 September 2017
21:00


Clear

21  (21.2) SW 6 27 81 18 101.7 24
20:00


Mainly Clear

25  (24.6) SW 4 31 69 19 101.7 24
19:00


Mainly Clear

26  (25.5) WNW 7 32 66 19 101.7 24
18:00


Mainly Sunny

28  (27.7) W 8 35 59 19 101.7 24
17:00


Partly Cloudy

28  (28.4) NW 14 35 55 19 101.7 24
16:00


Partly Cloudy

29  (28.6) WNW 15 35 53 18 101.7 24
15:00


Mostly Cloudy

29  (28.8) W 16 36 55 19 101.8 24
14:00


Partly Cloudy

29  (28.9)   W 16 35 52 18 101.8 24
13:00


Mostly Cloudy

28  (28.2) WNW 18 35 56 19 101.8 24
12:00


Partly Cloudy

27  (27.4) W 11 34 58 19 101.8 24
11:00


Partly Cloudy

25  (25.2) WSW 7 30 60 17 101.8 24
10:00


Partly Cloudy

23  (23.1) W 11 28 65 16 101.9 24
09:00


Partly Cloudy

20  (19.6) SW 12 * 75 15 101.8 24
08:00


Partly Cloudy

16  (16.4) SSW 11 * 84 14 101.8 24
07:00


Partly Cloudy

16  (15.5)   S 9 * 84 13 101.8 24
06:00


Mainly Clear

16  (15.6) WSW 3 * 80 12 101.8 24
05:00


Clear

16  (15.5)   calm * 82 13 101.7 24
04:00


Mainly Clear

16  (16.3) SSW 6 * 79 13 101.8 24
03:00


Clear

16  (16.2) SSW 5 * 81 13 101.8 24
02:00


Clear

17  (16.7) S 8 * 80 13 101.8 24
01:00


Clear

17  (17.2) SSW 4 * 79 14 101.8 24
00:00


Clear

18  (17.7) SSW 7 * 73 13 101.9 24
22 September 2017
23:00


Clear

18  (18.0) SSE 11 * 71 13 101.9 24
22:00


Clear

18  (17.6) SE 7 * 74 13 101.9 24
21:00


Clear

19  (18.9) N 3 * 69 13 101.9 24
Legend
n/a: not available

This table displays weather elements available for this station

Highest temperature
Lowest temperature

Equal temperature values are all highlighted

This is an automated product, generated using preliminary data.

If you require additional historical weather information, please visit Climate website.

Highlighting criteria

Significant Weather Conditions

To highlight potentially dangerous weather conditions the following are displayed in bold characters:

  • Tornado
  • Funnel Cloud
  • Thunderstorm
  • Lightning
  • Hail
  • Freezing precipitation
  • Heavy precipitation
  • Any other weather condition, if the visibility is 1.0 km0.6 miles or less

In addition some weather elements are displayed in bold characters when they reach the following values:

Temperatures:

  • Hot: 30.0°C86°F and higher
  • Cold: -30.0°C-22°F and lower
Humidex:
  • Values of 3595 and more
Wind chill
  • Values of -35-31 and below

Winds:

  • Mean speed of 60 km/h37 mph or more
  • Gust speed of 90 km/h56 mph or more

Visibility:

  • 1.0 km0.6 miles or less along with the weather conditions

What we are doing

Date modified: