Yes
you do need a jacket based on the weather in Ottawa, ON, Canada 1 second ago
Why? Because it's colder than a polar bear's pyjamas!
22°F-5°C & Cloudy
Wind is 2 mph4 km/h from the East, gusting to 6 mph9 km/h
| December 27 | ||||
| 1pm | 23°F-5°C | 3 mph5 km/h East | Mostly Cloudy | |
| 2pm | 24°F-5°C | 4 mph6 km/h East | Mostly Cloudy | |
| 3pm | 24°F-5°C | 4 mph7 km/h East | Mostly Cloudy | |
| 4pm | 23°F-5°C | 5 mph8 km/h East | Cloudy | |
| 5pm | 21°F-6°C | 5 mph8 km/h East | Cloudy | |
| 6pm | 21°F-6°C | 5 mph9 km/h East | Cloudy | |
| 7pm | 20°F-7°C | 4 mph7 km/h East | Cloudy | |
| 8pm | 19°F-7°C | 5 mph8 km/h East | Cloudy | |
| 9pm | 19°F-7°C | 5 mph9 km/h East | Cloudy | |
| 10pm | 18°F-8°C | 5 mph9 km/h East | Cloudy | |
| 11pm | 17°F-8°C | 6 mph9 km/h East | Cloudy | |
| December 28 | ||||
| 12am | 17°F-9°C | 6 mph9 km/h East | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 27 | 16°F-9°C | 24°F-5°C | 4 mph6 km/h from East | Mostly Cloudy | Mostly Cloudy |
| December 28 | 16°F-9°C | 32°F0°C | 6 mph10 km/h from East | Cloudy | Cloudy |
| December 29 | 32°F0°C | 40°F5°C | 6 mph10 km/h from East | Rain | Rain |
| December 30 | 36°F2°C | 42°F5°C | 9 mph15 km/h from Southwest | Rain | Cloudy |
| December 31 | 33°F1°C | 39°F4°C | 5 mph8 km/h from Southwest | Cloudy | Drizzle |
| January 1 | 33°F0°C | 38°F3°C | 6 mph10 km/h from Northeast | Drizzle | Snow |
| January 2 | 22°F-5°C | 33°F0°C | 12 mph19 km/h from West | Cloudy | Mostly Cloudy |
Yes
Low of 16°F-9°C, High of 32°F0°CWind: 6 mph10 km/h
Precipitation: None