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)
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
20 October 2018
20:00


Mainly Clear

4  (4.4)   NW 18 64 -2 100.4 24
19:00


Partly Cloudy

6  (6.3) NW 22 gust 34 59 -1 100.3 24
18:00


Partly Cloudy

8  (8.2) WNW 21 gust 36 49 -2 100.2 24
17:00


Partly Cloudy

9  (9.4) WNW 19 gust 33 47 -1 100.1 24
16:00


Mostly Cloudy

11  (10.7) WNW 32 gust 43 42 -2 100.1 24
15:00


Partly Cloudy

10  (10.2) WNW 25 gust 39 55 2 100.1 24
14:00


Mostly Cloudy

11  (10.8) WNW 26 gust 36 60 3 100.0 24
13:00


Partly Cloudy

11  (10.5) WNW 44 gust 54 58 3 100.0 24
12:00


Mostly Cloudy

12  (11.6) W 26 gust 40 64 5 100.0 24
11:00


Mostly Cloudy

11  (10.8) W 25 gust 37 62 4 99.9 24
10:00


Mostly Cloudy

11  (10.5) WSW 26 gust 38 66 4 99.8 24
09:00


Partly Cloudy

10  (9.5) SW 31 gust 41 73 5 99.7 24
08:00


Partly Cloudy

9  (8.7) SW 27 gust 39 81 6 99.7 24
07:00


Mostly Cloudy

9  (8.9) SW 27 gust 44 86 7 99.6 24
06:00


Light Rain

9  (8.8) SSW 30 gust 42 91 7 99.5 24
05:00


Light Rain

9  (8.5) SSW 27 gust 43 92 7 99.6 24
04:00


Light Rain

9  (8.7) SSW 26 gust 37 89 7 99.7 24
03:00


Mostly Cloudy

10  (9.6) SSW 27 gust 47 78 6 99.8 24
02:00


Mostly Cloudy

10  (10.2) SSW 27 gust 43 69 5 99.9 24
01:00


Mostly Cloudy

11  (10.6) SSW 23 gust 41 64 4 100.0 24
00:00


Light Rain

11  (11.4) SW 30 gust 48 56 3 100.1 24
19 October 2018
23:00


Light Rain

11  (11.2) SW 26 gust 36 53 2 100.2 24
22:00


Cloudy

12  (11.5) SSW 24 gust 36 54 3 100.4 24
21:00


Cloudy

12  (11.8) SSW 32 gust 48 64 5 100.4 24
20:00


Cloudy

12  (12.2)   SSW 24 gust 44 68 6 100.5 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: