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) |
Relative humidity (%) |
Dew point (°C) |
Pressure (kPa) |
Visibility (km) |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 July 2017 | ||||||||||||||
| 12:00 |  Mostly Cloudy |
19 (18.5) | NE 23 | 73 | 14 | 102.3 | 24 | |||||||
| 11:00 | Mostly Cloudy |
18 (17.5) | NE 22 gust 34 | 77 | 14 | 102.2 | 24 | |||||||
| 10:00 |  Partly Cloudy |
17 (16.6) | ENE 34 | 79 | 13 | 102.1 | 24 | |||||||
| 09:00 | Mostly Cloudy |
15 (15.3) | NE 22 gust 35 | 89 | 14 | 102.1 | 24 | |||||||
| 08:00 | Mostly Cloudy |
14 (14.4) | NE 25 | 92 | 13 | 102.1 | 24 | |||||||
| 07:00 | Mostly Cloudy |
14 (13.6) | NE 17 | 96 | 13 | 102.0 | 24 | |||||||
| 06:00 | Mostly Cloudy |
13 (13.3) | NNE 21 gust 30 | 97 | 13 | 101.9 | 24 | |||||||
| 05:00 |  Light Rain |
13 (13.2) | NNE 23 | 100 | 13 | 101.8 | 6 | |||||||
| 04:00 | Light Rain |
13 (13.3) | NE 24 | 100 | 13 | 101.7 | 5 | |||||||
| 03:00 | Light Rain |
13 (13.3) | NE 23 | 100 | 13 | 101.7 | 10 | |||||||
| 02:00 | Light Rain |
13 (13.3) | NE 23 | 100 | 13 | 101.6 | 13 | |||||||
| 01:00 | Light Rain |
13 (13.4) | NE 22 gust 32 | 99 | 13 | 101.6 | 16 | |||||||
| 00:00 | Light Rain |
13 (13.2) | NE 24 gust 36 | 99 | 13 | 101.5 | 16 | |||||||
| 24 July 2017 | ||||||||||||||
| 23:00 | Light Rain |
13 (13.4) | NE 27 gust 40 | 99 | 13 | 101.5 | 16 | |||||||
| 22:00 | Light Rain |
14 (13.8) | NE 22 gust 34 | 100 | 14 | 101.4 | 8 | |||||||
| 21:00 |  Rain |
14 (13.9) | NE 22 gust 33 | 99 | 14 | 101.4 | 6 | |||||||
| 20:00 |  Thunderstorm with rainshowers |
14 (13.7) | ENE 28 gust 37 | 99 | 14 | 101.3 | 5 | |||||||
| 19:00 | Rain |
14 (13.9) | ENE 33 gust 43 | 99 | 14 | 101.2 | 5 | |||||||
| 18:00 | Rain |
14 (14.0) | ENE 25 gust 35 | 100 | 14 | 101.2 | 6 | |||||||
| 17:00 | Light Rain |
14 (14.1) | ENE 27 | 100 | 14 | 101.2 | 10 | |||||||
| 16:00 | Light Rain |
15 (14.5) | ENE 29 | 100 | 15 | 101.1 | 13 | |||||||
| 15:00 | Light Rain |
15 (14.7) | ENE 31 gust 41 | 100 | 15 | 101.1 | 10 | |||||||
| 14:00 | Light Rain |
15 (14.6) | ENE 18 gust 28 | 100 | 15 | 101.1 | 10 | |||||||
| 13:00 | Light Rain |
14 (14.4) | ENE 29 | 100 | 14 | 101.0 | 10 | |||||||
| 12:00 | Rain |
14 (13.7) | NE 32 | 100 | 14 | 101.1 | 5 | |||||||
Legend
This table displays weather elements available for this station
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
- Values of 3595 and more
- 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
Weather Forecasts
Weather Alerts
Weather Resources
Features
UV Index and sun protection
Be weather wise!
Extreme Heat Protection
Be prepared!
Be Air Aware
Air Quality Health Index