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)
22 August 2017
05:00


Mainly Clear

19  (19.0) S 10 * 100 19 101.2 16
04:00


Partly Cloudy

19  (19.1) S 11 * 99 19 101.3 16
03:00


Partly Cloudy

19  (19.0) S 10 * 99 19 101.4 24
02:00


Mainly Clear

20  (19.6) SSW 4 * 94 19 101.4 24
01:00


Clear

20  (20.1) SSW 8 27 94 19 101.5 24
00:00


Mainly Clear

21  (20.9) S 9 28 90 19 101.5 24
21 August 2017
23:00


Mainly Clear

21  (21.4) SSW 8 29 88 20 101.6 24
22:00


Mainly Clear

22  (22.1) SSW 10 29 86 20 101.6 24
21:00


Mainly Clear

23  (23.0) SSW 13 31 83 20 101.5 24
20:00


Partly Cloudy

24  (24.3) SSW 11 32 77 20 101.5 24
19:00


Partly Cloudy

26  (26.1) SSW 17 34 70 20 101.5 24
18:00


Mostly Cloudy

28  (27.6) SSW 22 35 60 19 101.5 24
17:00


Mostly Cloudy

28  (27.9)   SW 17 35 60 20 101.5 24
16:00


Mainly Sunny

28  (27.9)   SW 17 35 60 20 101.6 24
15:00


Partly Cloudy

27  (26.8) SW 15 34 62 19 101.6 24
14:00


Partly Cloudy

27  (27.2) SSW 20 gust 31 33 57 18 101.7 24
13:00


Partly Cloudy

28  (27.5) SW 23 gust 34 34 57 18 101.7 24
12:00


Partly Cloudy

27  (26.7) WSW 25 gust 36 33 60 18 101.8 24
11:00


Partly Cloudy

26  (25.7) SW 21 gust 33 33 68 20 101.8 24
10:00


Partly Cloudy

24  (23.9) SSW 17 31 75 19 101.8 24
09:00


Partly Cloudy

21  (21.1) SSW 13 28 89 19 101.8 16
08:00


Mostly Cloudy

19  (18.7) S 12 * 99 19 101.9 16
07:00


Mostly Cloudy

17  (16.9) S 9 * 100 17 101.9 24
06:00


Mostly Cloudy

16  (16.3)   SSW 10 * 100 16 101.9 16
05:00


Partly Cloudy

17  (17.1) S 10 * 100 17 101.9 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

Features

UV Index and sun protection

Be weather wise!

Extreme Heat Protection

Be prepared!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: