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)
27 May 2017
02:00


Mostly Cloudy

12  (11.6)   W 4 99 12 101.2 24
01:00


Cloudy

12  (12.2) NE 5 97 12 101.2 24
00:00


Cloudy

12  (11.7) W 4 98 11 101.1 24
26 May 2017
23:00


Cloudy

12  (11.9) WSW 3 98 12 101.1 24
22:00


Cloudy

12  (12.2) WSW 6 97 12 101.1 24
21:00


Mostly Cloudy

12  (12.2) SSW 7 96 12 101.0 24
20:00


Mostly Cloudy

13  (13.0) E 5 93 12 101.0 24
19:00


Mostly Cloudy

13  (13.2) ENE 8 90 12 100.9 24
18:00


Mostly Cloudy

13  (13.4) NE 9 91 12 100.9 24
17:00


Light Rainshower

13  (12.8) ENE 8 97 12 100.8 16
16:00


Mostly Cloudy

14  (13.6) NE 8 90 12 100.7 24
15:00


Light Rain

13  (12.6) ENE 14 96 12 100.7 4
14:00


Light Rainshower

14  (13.5) NNE 16 95 13 100.6 13
13:00


Mostly Cloudy

16  (15.9)   N 17 75 12 100.5 24
12:00


Mostly Cloudy

15  (14.6) NNE 10 81 11 100.5 24
11:00


Cloudy

14  (13.7) NNE 15 87 12 100.5 24
10:00


Light Rain

12  (12.4) NE 13 97 12 100.4 24
09:00


Mostly Cloudy

12  (12.4) NE 14 94 12 100.4 24
08:00


Cloudy

12  (12.0) ENE 18 95 11 100.4 16
07:00


Light Drizzle

12  (12.0) NE 17 98 12 100.3 6
06:00


Cloudy

12  (12.1) ENE 14 98 12 100.3 13
05:00


Cloudy

12  (12.1) ENE 17 98 12 100.3 13
04:00


Cloudy

12  (11.9) ENE 19 98 12 100.3 13
03:00


Light Drizzle

12  (11.9) ENE 22 98 12 100.3 6
02:00


Light Drizzle

12  (12.1) ENE 23 gust 35 97 12 100.3 6
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: