Ottawa Macdonald-Cartier Int'l Airport, Ontario

Please enable Javascript to view imperial units or the graphic.

Latitude 45.32° N | Longitude 75.67° W

Past 24 Hour Conditions

Date / Time
(EST)
Conditions Temperature
(°C)
Wind
(km/h)
Wind
chill
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
13 December 2017
17:00


Clear

-15  (-14.9)   W 24 -25 65 -20 100.1 24
16:00


Mainly Sunny

-13  (-13.2) W 29 gust 42 -24 62 -19 100.1 24
15:00


Drifting Snow

-13  (-12.7) W 34 gust 44 -24 64 -18 100.0 24
14:00


Drifting Snow

-12  (-12.4) W 27 gust 44 -22 65 -18 99.9 24
13:00


Drifting Snow

-13  (-13.2) WNW 35 gust 52 -24 67 -18 99.9 24
12:00


Partly Cloudy

-14  (-13.8) W 36 gust 49 -25 68 -19 99.9 24
11:00


Mostly Cloudy

-14  (-14.2) WNW 28 gust 45 -25 71 -18 99.9 24
10:00


Partly Cloudy

-14  (-14.3) NW 35 gust 47 -26 70 -19 99.9 24
09:00


Drifting Snow

-15  (-14.5) WNW 32 -26 72 -19 99.8 24
08:00


Light Snow

-14  (-14.2) WNW 22 gust 39 -24 76 -18 99.8 4
07:00


Light Snow

-14  (-13.6) NW 28 -24 78 -17 99.9 4
06:00


Light Snow

-13  (-13.2) WNW 24 gust 38 -23 77 -17 99.8 3
05:00


Light Snow

-13  (-12.6) WNW 25 gust 39 -22 76 -16 99.8 8
04:00


Light Snow

-12  (-11.8) WNW 23 gust 40 -21 79 -15 99.7 5
03:00


Light Snow

-11  (-11.2) NW 28 -21 80 -14 99.7 6
02:00


Light Snow

-11  (-10.5) WNW 22 -19 81 -13 99.7 5
01:00


Light Snow

-10  (-10.4) WNW 16 -18 81 -13 99.7 8
00:00


Light Snow

-10  (-10.2) WNW 19 -18 79 -13 99.8 13
12 December 2017
23:00


Light Snow

-10  (-9.9) NW 16 -17 82 -13 99.9 24
22:00


Light Snow

-10  (-9.6) W 16 -17 87 -11 99.9 16
21:00


Light Snow

-9  (-9.0) W 13 -15 88 -11 100.0 11
20:00


Light Snow

-8  (-8.3) WNW 10 -13 89 -10 100.0 5
19:00


Light Snow

-8  (-8.0) NW 17 -15 87 -10 100.0 3
18:00


Light Snow

-7  (-7.1) NW 11 -12 89 -9 100.0 8
17:00


Light Snow

-7  (-6.7)   NNW 17 -13 87 -9 99.9 1.6
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: