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) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17 August 2018 | ||||||||||||||
| 02:00 |
 Mainly Clear |
18 (17.6) | E 8 | * | 81 | 14 | 101.8 | 24 | ||||||
| 01:00 |
Mainly Clear |
18 (17.8) | ESE 11 | * | 80 | 14 | 101.7 | 24 | ||||||
| 00:00 |
Mainly Clear |
18 (17.9) | ESE 11 | * | 78 | 14 | 101.8 | 24 | ||||||
| 16 August 2018 | ||||||||||||||
| 23:00 |
 Clear |
19 (18.7) | E 13 | * | 79 | 15 | 101.8 | 24 | ||||||
| 22:00 |
Clear |
19 (18.6) | E 9 | * | 81 | 15 | 101.8 | 24 | ||||||
| 21:00 |
Mainly Clear |
19 (19.4) | E 10 | * | 79 | 16 | 101.8 | 24 | ||||||
| 20:00 |
 Mainly Sunny |
21 (20.5) | E 11 | 25 | 76 | 16 | 101.7 | 24 | ||||||
| 19:00 |
 Partly Cloudy |
24 (24.2) | NE 5 | 28 | 57 | 15 | 101.7 | 24 | ||||||
| 18:00 |
Partly Cloudy |
25 (24.9) | calm | 30 | 58 | 16 | 101.7 | 24 | ||||||
| 17:00 |
Partly Cloudy |
25 (24.5) | N 2 | 29 | 55 | 15 | 101.8 | 24 | ||||||
| 16:00 |
Partly Cloudy |
24 (24.4) | NW 16 | 28 | 54 | 15 | 101.8 | 24 | ||||||
| 15:00 |
Partly Cloudy |
24 (23.5) | W 7 | 26 | 50 | 13 | 101.9 | 24 | ||||||
| 14:00 |
Partly Cloudy |
23 (22.5) | NW 10 | 25 | 53 | 13 | 101.9 | 24 | ||||||
| 13:00 |
Partly Cloudy |
22 (22.3) | WNW 13 | 25 | 52 | 12 | 101.9 | 24 | ||||||
| 12:00 |
Partly Cloudy |
21 (20.9) | SW 11 | 24 | 61 | 13 | 101.9 | 24 | ||||||
| 11:00 |
Partly Cloudy |
20 (20.1) | NNW 10 | 22 | 57 | 11 | 101.9 | 24 | ||||||
| 10:00 |
Mainly Sunny |
19 (19.1) | NW 14 | * | 61 | 12 | 101.9 | 24 | ||||||
| 09:00 |
Mainly Sunny |
18 (17.7) | NNW 10 | * | 65 | 11 | 101.9 | 24 | ||||||
| 08:00 |
Partly Cloudy |
16 (16.4) | NNW 14 | * | 76 | 12 | 101.9 | 24 | ||||||
| 07:00 |
Partly Cloudy |
15 (15.3) | NNW 12 | * | 82 | 12 | 101.8 | 24 | ||||||
| 06:00 |
Mainly Clear |
14 (14.4) | NW 9 | * | 85 | 12 | 101.7 | 24 | ||||||
| 05:00 |
Mainly Clear |
15 (14.5) | NW 10 | * | 86 | 12 | 101.7 | 24 | ||||||
| 04:00 |
Mainly Clear |
16 (16.0) | NW 9 | * | 81 | 13 | 101.6 | 24 | ||||||
| 03:00 |
Mainly Clear |
18 (18.3) | N 14 | * | 74 | 14 | 101.6 | 24 | ||||||
| 02:00 |
 Mostly Cloudy |
20 (20.1) | NNW 14 | 24 | 69 | 14 | 101.5 | 24 | ||||||
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
Play it safe!
Extreme Heat Protection
Be weather wise!
Lightning Safety
When thunder roars, GO INDOORS!