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)
15 December 2018
08:00


Mostly Cloudy

1  (1.0) WSW 10 * 89 -1 102.4 16
07:00


Cloudy

1  (1.3) WSW 12 * 91 0 102.4 24
06:00


Cloudy

1  (1.2) WSW 13 * 93 0 102.3 24
05:00


Cloudy

1  (1.4) SW 12 * 93 0 102.2 19
04:00


Cloudy

1  (1.4) SSW 9 * 93 1 102.1 19
03:00


Mostly Cloudy

1  (1.2) SSW 13 * 96 1 102.1 16
02:00


Partly Cloudy

1  (1.1) WSW 12 * 93 0 102.0 19
01:00


Mostly Cloudy

2  (1.8) WSW 12 * 94 1 102.0 16
00:00


Mist

2  (1.8) SW 10 * 98 2 101.9 5
14 December 2018
23:00


Mist

2  (1.9) WSW 8 * 98 2 102.0 2
22:00


Mist

2  (2.1)   SW 10 * 98 2 101.9 2
21:00


Mist

1  (1.3) SSW 10 * 98 1 102.0 1.2
20:00


Light Rain

0  (0.1) E 4 * 98 0 102.1 1.2
19:00


Light Rain

0  (0.1) E 5 * 98 0 102.1 1.6
18:00


Light Rain

0  (0.2) NNE 3 * 98 0 102.2 1.6
17:00


Light Rain

0  (0.0) ENE 8 -3 98 0 102.1 2
16:00


Light Rain

0  (0.1) E 6 * 97 0 102.2 2
15:00


Light Rain

0  (0.1) ENE 3 * 97 0 102.2 2
14:00


Light Freezing Rain

0  (-0.2) E 7 -3 96 -1 102.2 2
13:00


Light Freezing Rain

-1  (-0.7) NE 4 -2 93 -2 102.3 5
12:00


Light Snow

-1  (-1.1) ENE 4 -3 87 -3 102.4 8
11:00


Mostly Cloudy

-3  (-2.5) ENE 5 -4 83 -5 102.5 13
10:00


Mostly Cloudy

-5  (-4.5) ESE 10 -9 83 -7 102.7 13
09:00


Mostly Cloudy

-6  (-5.8) NE 8 -10 82 -8 102.7 13
08:00


Cloudy

-7  (-6.7)   ENE 14 -12 82 -9 102.7 13
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: