Yes
you do need a jacket based on the weather in Ottawa (Centretown West), Ontario, Canada 1 second ago
Why? Because the temperature has dropped below freezing and it's windy enough to give you a brand new hairdo!
4°F-15°C & Mostly Clear
Wind is 9 mph14 km/h from the Northwest, gusting to 21 mph34 km/h
| December 21 | ||||
| 9pm | 4°F-15°C | 9 mph14 km/h Northwest | Mostly Clear | |
| 10pm | 3°F-16°C | 9 mph14 km/h Northwest | Clear | |
| 11pm | 3°F-16°C | 8 mph13 km/h Northwest | Clear | |
| December 22 | ||||
| 12am | 2°F-17°C | 8 mph13 km/h Northwest | Mostly Clear | |
| 1am | 1°F-17°C | 8 mph12 km/h Northwest | Mostly Clear | |
| 2am | 1°F-17°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 3am | 0°F-18°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 4am | -0°F-18°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 5am | -1°F-18°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 6am | -1°F-18°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 7am | -1°F-18°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 8am | -0°F-18°C | 6 mph9 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 21 | 2°F-17°C | 17°F-9°C | 8 mph12 km/h from Northwest | Partly Cloudy | Mostly Clear |
| December 22 | -1°F-18°C | 12°F-11°C | 4 mph7 km/h from Northwest | Clear | Mostly Clear |
| December 23 | 4°F-16°C | 21°F-6°C | 6 mph9 km/h from Southeast | Snow | Snow |
| December 24 | 14°F-10°C | 27°F-3°C | 4 mph6 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| December 25 | 10°F-12°C | 20°F-7°C | 2 mph3 km/h from East | Mostly Cloudy | Mostly Cloudy |
| December 26 | 10°F-12°C | 20°F-6°C | 3 mph4 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| December 27 | 13°F-10°C | 23°F-5°C | 5 mph8 km/h from East | Mostly Cloudy | Cloudy |
Yes
Low of -1°F-19°C, High of 12°F-11°CWind: 4 mph7 km/h
Precipitation: None