Language selection

Weather shortcuts

Ottawa Macdonald-Cartier Int'l Airport, Ontario

Latitude 45.32° N | Longitude 75.67° W

Past 24 Hour Conditions

Date / Time
(EDT)
Conditions Temperature
(°C)
Wind
(km/h)
Wind
chill
Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
31 March 2025
01:00


Light Rain

0  (0.0)   ENE 17 -5 100 0 100.5 6
00:00


Light Rain

0  (0.0)   ENE 16 -5 100 0 100.7 3
30 March 2025
23:00


Light Freezing Rain

0  (-0.1) NE 16 -5 100 0 100.7 3
22:00


Light Freezing Rain

0  (-0.1) NE 13 -4 100 0 100.8 3
21:00


Light Freezing Rain

0  (-0.1) ENE 13 -4 100 0 100.9 3
20:00


Light Freezing Rain

0  (-0.2) ENE 13 -4 100 0 101.0 5
19:00


Light Freezing Rain

0  (-0.2) NE 14 -4 100 0 101.1 5
18:00


Freezing Rain

0  (-0.1) ENE 10 -3 100 0 101.2 3
17:00


Light Freezing Rain

0  (-0.2) ENE 15 -5 100 0 101.2 2
16:00


Cloudy

0  (-0.3) ENE 20 gusts 32 -6 100 0 101.3 16
15:00


Light Freezing Rain

-1  (-0.6) ENE 17 -6 100 -1 101.4 5
14:00


Light Freezing Rain

-1  (-0.9) ENE 16 -6 100 -1 101.5 6
13:00


Light Freezing Rain

-1  (-1.2) ENE 24 -7 100 -1 101.6 8
12:00


Light Freezing Rain

-2  (-1.7) NE 24 -8 100 -2 101.7 6
11:00


Light Freezing Rain

-2  (-1.9) NE 20 gusts 30 -8 100 -2 101.8 2
10:00


Light Freezing Rain

-2  (-2.2) ENE 24 gusts 35 -9 94 -3 101.8 3
09:00


Light Freezing Rain

-2  (-2.1) ENE 26 -9 84 -4 101.9 16
08:00


Light Freezing Rain

-2  (-2.2) NE 26 -9 82 -5 101.9 6
07:00


Mostly Cloudy

-2  (-2.1) NE 18 -8 79 -5 102.0 24
06:00


Light Freezing Rain

-2  (-2.1) ENE 24 gusts 33 -8 75 -6 102.0 8
05:00


Light Freezing Rain

-2  (-2.0) NE 22 gusts 32 -8 71 -7 102.0 8
04:00


Light Freezing Rain

-2  (-1.9) ENE 21 gusts 31 -8 58 -9 102.0 8
03:00


Light Freezing Rain

-2  (-2.2) ENE 23 -8 56 -10 102.0 19
02:00


Light Freezing Rain

-3  (-2.5)   NE 16 -8 54 -11 102.2 19
01:00


Mostly Cloudy

-3  (-2.5)   ENE 14 -7 47 -12 102.2 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
Date modified: