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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
(EDT)
Conditions Temperature
(°C)
Wind
(km/h)
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
20 April 2024
05:00


Mostly Cloudy

4  (3.9)   WSW 18 62 -3 101.3 24
04:00


Mostly Cloudy

5  (4.7) WSW 17 62 -2 101.2 24
03:00


Mostly Cloudy

5  (5.0) WSW 25 67 -1 101.2 24
02:00


Partly Cloudy

5  (5.4) WSW 17 gusts 28 74 1 101.2 24
01:00


Mostly Cloudy

6  (5.7) WSW 16 73 1 101.3 24
00:00


Partly Cloudy

6  (5.5) WSW 15 72 1 101.2 24
19 April 2024
23:00


Mainly Clear

7  (7.2) W 27 gusts 39 64 1 101.2 24
22:00


Mainly Clear

8  (7.9) W 27 gusts 46 74 4 101.2 24
21:00


Mainly Clear

10  (10.0) SW 29 98 10 101.0 24
20:00


Mainly Clear

10  (10.2) SW 22 gusts 35 100 10 100.9 24
19:00


Mostly Cloudy

11  (11.0) SW 29 gusts 40 100 11 100.8 24
18:00


Light Drizzle

11  (10.5) SSW 24 gusts 37 100 11 100.8 16
17:00


Light Drizzle

10  (9.9) S 13 100 10 100.8 4
16:00


Light Rain

11  (10.7) S 20 gusts 32 97 10 100.8 6
15:00


Mostly Cloudy

12  (11.6)   SSE 13 100 12 100.9 24
14:00


Light Rain

11  (11.2) S 8 100 11 101.0 13
13:00


Light Rain

12  (11.6)   SE 16 gusts 30 89 10 101.0 24
12:00


Mostly Cloudy

11  (11.2) SE 19 gusts 32 92 10 101.2 24
11:00


Light Rain

10  (9.7) SSE 11 100 10 101.4 24
10:00


Cloudy

9  (9.0) SE 15 100 9 101.4 16
09:00


Cloudy

8  (8.4) SSE 10 100 8 101.6 16
08:00


Cloudy

8  (7.8) SE 9 100 8 101.6 16
07:00


Cloudy

7  (7.3) SSE 11 100 7 101.6 16
06:00


Cloudy

7  (7.3) SSE 11 100 7 101.6 11
05:00


Light Drizzle

8  (7.7) S 9 100 8 101.7 5
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
Date modified: