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)
28 September 2016
12:00


Mostly Cloudy

14  (13.9) E 23 gust 35 81 11 102.3 16
11:00


Cloudy

13  (12.9) E 21 87 11 102.2 13
10:00


Mist

12  (11.5) E 16 94 11 102.2 10
9:00


Mist

11  (10.8) ENE 17 gust 28 96 10 102.1 6
8:00


Mist

10  (10.3) ENE 20 98 10 102.1 3
7:00


Mist

10  (10.1) ENE 18 98 10 102.0 3
6:00


Mist

10  (10.0)   ENE 13 98 10 101.9 8
5:00


Partly Cloudy

11  (10.6) ENE 19 98 10 101.8 13
4:00


Mainly Clear

11  (10.6) E 19 gust 28 95 10 101.7 24
3:00


Mainly Clear

11  (11.0) E 17 92 10 101.7 24
2:00


Mainly Clear

11  (11.1) ENE 14 89 9 101.7 24
1:00


Partly Cloudy

10  (10.0)   NE 12 90 9 101.6 24
00:00


Partly Cloudy

13  (13.4) E 9 76 9 101.5 24
27 September 2016
23:00


Mostly Cloudy

14  (13.6) ESE 9 74 9 101.5 24
22:00


Mostly Cloudy

14  (13.7) SE 9 72 9 101.4 24
21:00


Mostly Cloudy

15  (14.7) SSE 7 64 8 101.4 24
20:00


Partly Cloudy

15  (14.9) S 8 61 8 101.3 24
19:00


Mostly Cloudy

17  (16.6) SSE 5 51 7 101.2 24
18:00


Mostly Cloudy

18  (18.0) SSW 13 47 7 101.1 24
17:00


Mostly Cloudy

19  (19.0) SW 19 44 7 101.1 24
16:00


Mostly Cloudy

20  (20.1) SSW 12 43 7 101.0 24
15:00


Mostly Cloudy

20  (20.2)   SSE 9 41 7 101.0 24
14:00


Partly Cloudy

19  (19.1) SSW 17 44 7 101.0 24
13:00


Partly Cloudy

20  (19.7) SW 19 gust 28 43 7 101.0 24
12:00


Mainly Sunny

19  (19.1) SSW 24 49 8 101.0 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

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