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
(EST)
Conditions Temperature
(°C)
Wind
(km/h)
Wind
chill
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
09 December 2018
19:00


Light Snow

-1  (-0.9) WSW 20 -6 74 -5 102.0 16
18:00


Cloudy

-1  (-0.7)   SW 25 -7 70 -6 102.0 24
17:00


Cloudy

-1  (-1.0) SW 23 gust 33 -7 69 -6 102.0 24
16:00


Cloudy

-1  (-1.1) SW 27 gust 43 -8 67 -7 102.0 24
15:00


Cloudy

-1  (-1.3) SW 26 gust 40 -8 64 -7 102.0 24
14:00


Cloudy

-1  (-1.4) SW 27 gust 39 -8 62 -8 102.0 24
13:00


Cloudy

-1  (-1.4) WSW 23 gust 40 -7 64 -7 102.1 24
12:00


Drifting Snow

-2  (-1.7) SW 33 gust 49 -9 66 -7 102.2 24
11:00


Drifting Snow

-2  (-2.0) SW 35 gust 50 -10 68 -7 102.3 24
10:00


Cloudy

-2  (-1.6) SW 29 gust 43 -8 69 -7 102.4 24
09:00


Mostly Cloudy

-2  (-2.4) SSW 25 -9 71 -7 102.4 24
08:00


Mostly Cloudy

-3  (-3.0) SW 22 -9 78 -6 102.5 24
07:00


Cloudy

-4  (-3.9) SW 22 -11 85 -6 102.6 24
06:00


Cloudy

-6  (-6.3) SSW 11 -11 91 -8 102.6 24
05:00


Light Snow

-8  (-7.7) SSE 10 -13 90 -9 102.7 24
04:00


Light Snow

-9  (-8.5) SSE 9 -13 90 -10 102.9 24
03:00


Light Snow

-9  (-9.3) SSE 6 -13 91 -11 103.0 24
02:00


Light Snow

-10  (-9.5) SSW 9 -14 91 -11 103.1 24
01:00


Light Snow

-11  (-10.8)   SW 5 -14 92 -12 103.1 24
00:00


Mostly Cloudy

-10  (-10.3) SW 4 -13 90 -12 103.1 24
08 December 2018
23:00


Mostly Cloudy

-10  (-9.6) SSW 8 -14 91 -11 103.2 24
22:00


Mostly Cloudy

-10  (-9.9) SSE 7 -14 91 -11 103.2 24
21:00


Light Snow

-10  (-10.1) SSE 8 -15 92 -11 103.2 24
20:00


Light Snow

-8  (-7.7) NNW 11 -13 88 -9 103.2 3
19:00


Light Snow

-8  (-8.1) SSW 12 -14 87 -10 103.1 8
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: