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Ottawa Macdonald-Cartier Int'l Airport, Ontario

Latitude 45.32° N | Longitude 75.67° W

Past 24 Hour Conditions

Date / Time
(EST)
Conditions Temperature
(°C)
Wind
(km/h)
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
21 November 2024
06:00


Light Drizzle

5  (5.0) E 21 100 5 100.3 5
05:00


Light Rain and Drizzle

5  (5.1) E 24 100 5 100.4 10
04:00


Light Rain

5  (5.1) E 27 gusts 39 100 5 100.4 24
03:00


Mostly Cloudy

5  (5.3) E 29 100 5 100.4 24
02:00


Light Rain

6  (5.6) ENE 28 gusts 44 100 6 100.3 24
01:00


Light Rain

6  (6.0) ENE 29 gusts 39 99 6 100.4 24
00:00


Cloudy

6  (6.3)   ENE 32 gusts 46 91 5 100.4 24
20 November 2024
23:00


Cloudy

6  (6.2) ENE 29 gusts 44 90 5 100.5 24
22:00


Cloudy

6  (6.1) ENE 29 gusts 43 88 4 100.6 24
21:00


Cloudy

6  (5.9) ENE 33 gusts 47 87 4 100.6 24
20:00


Cloudy

6  (5.5) ENE 26 gusts 39 91 4 100.7 24
19:00


Mostly Cloudy

6  (5.7) ENE 26 gusts 35 88 4 100.7 24
18:00


Mostly Cloudy

5  (5.3) ENE 21 gusts 33 89 4 100.7 24
17:00


Cloudy

5  (4.5) ENE 15 94 4 100.8 16
16:00


Cloudy

4  (4.0) ENE 15 95 3 100.9 16
15:00


Cloudy

4  (3.8) ENE 19 gusts 30 95 3 100.9 16
14:00


Cloudy

4  (3.5) ENE 20 gusts 31 95 3 100.9 24
13:00


Cloudy

3  (3.4) ENE 25 95 3 100.9 16
12:00


Cloudy

3  (3.4) ENE 14 100 3 101.0 13
11:00


Cloudy

3  (3.2) ENE 22 100 3 101.1 16
10:00


Cloudy

3  (2.7) ENE 21 100 3 101.2 16
09:00


Cloudy

2  (2.3) ENE 21 gusts 33 100 2 101.2 16
08:00


Mostly Cloudy

2  (1.8)   E 17 gusts 31 100 2 101.2 16
07:00


Mostly Cloudy

2  (1.8)   ENE 18 100 2 101.2 24
06:00


Mostly Cloudy

3  (2.6) ENE 19 99 3 101.1 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

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