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)
Humidex Relative
humidity
(%)
Dew
point
(°C)
Pressure
(kPa)
Visibility
(km)
18 August 2018
04:00


Mostly Cloudy

16  (16.4) NNW 14 * 85 14 101.3 24
03:00


Mostly Cloudy

17  (16.5) NNE 9 * 86 14 101.3 24
02:00


Mostly Cloudy

17  (17.0) N 14 * 86 15 101.3 24
01:00


Mostly Cloudy

18  (17.5) NNW 17 * 85 15 101.3 24
00:00


Mostly Cloudy

18  (17.9) NNW 14 * 85 15 101.3 24
17 August 2018
23:00


Mostly Cloudy

18  (18.0) NNW 19 * 83 15 101.2 24
22:00


Mostly Cloudy

19  (18.8) NNW 19 gust 29 * 81 16 101.2 24
21:00


Mostly Cloudy

19  (19.3) NNW 22 * 81 16 101.2 24
20:00


Mostly Cloudy

20  (20.1) NNW 21 gust 31 25 81 17 101.2 24
19:00


Mostly Cloudy

21  (20.6) NNW 29 27 85 18 101.1 24
18:00


Mostly Cloudy

22  (22.0) WNW 28 29 84 19 101.1 24
17:00


Mostly Cloudy

23  (23.3)   WNW 22 32 87 21 101.0 24
16:00


Light Rain

23  (23.3)   S 17 33 93 22 101.1 16
15:00


Light Rain

22  (21.7) S 16 30 96 21 101.1 5
14:00


Light Rain

22  (21.8) S 11 30 96 21 101.2 5
13:00


Light Rain

22  (22.4) S 11 31 90 21 101.2 16
12:00


Light Rain

23  (23.2) SSE 20 gust 30 32 87 21 101.3 13
11:00


Light Rain

22  (21.6) ESE 10 30 93 20 101.4 24
10:00


Light Rain

21  (21.0) ESE 12 27 85 19 101.4 24
09:00


Light Rain

19  (18.9) E 12 * 87 17 101.5 24
08:00


Mostly Cloudy

18  (17.8) ENE 13 * 85 15 101.5 24
07:00


Mostly Cloudy

17  (16.8) ENE 13 * 88 15 101.6 24
06:00


Mostly Cloudy

17  (16.6) ENE 11 * 88 15 101.6 24
05:00


Partly Cloudy

17  (16.8) ENE 10 * 85 14 101.6 24
04:00


Mainly Clear

16  (16.1)   NE 12 * 89 14 101.7 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

Features

UV Index and sun protection

Play it safe!

Extreme Heat Protection

Be weather wise!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: