Yes
you do need a jacket based on the weather in Ottawa, ON, Canada 1 second ago
Why? Because it's bitterly cold.
44°F7°C & Clear
Wind is 4 mph6 km/h from the W, gusting to 8 mph13 km/h
| April 25 | ||||
| 9pm | 42°F5°C | 4 mph6 km/h W | Clear | |
| 10pm | 40°F4°C | 3 mph6 km/h W | Clear | |
| 11pm | 38°F3°C | 3 mph5 km/h W | Clear | |
| April 26 | ||||
| 12am | 37°F3°C | 3 mph5 km/h W | Clear | |
| 1am | 35°F2°C | 3 mph4 km/h W | Clear | |
| 2am | 34°F1°C | 2 mph4 km/h W | Clear | |
| 3am | 33°F1°C | 2 mph3 km/h NW | Clear | |
| 4am | 32°F0°C | 1 mph2 km/h W | Clear | |
| 5am | 32°F-0°C | 1 mph2 km/h W | Clear | |
| 6am | 32°F-0°C | 1 mph2 km/h E | Clear | |
| 7am | 33°F1°C | 2 mph2 km/h NE | Clear | |
| 8am | 37°F3°C | 1 mph2 km/h E | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 25°F-4°C | 50°F10°C | 4 mph6 km/h from W | Clear | Clear |
| April 26 | 31°F-0°C | 59°F15°C | 4 mph6 km/h from SE | Clear | Mostly Clear |
| April 27 | 35°F2°C | 62°F17°C | 9 mph14 km/h from S | Rain | Rain |
| April 28 | 49°F9°C | 70°F21°C | 8 mph12 km/h from SW | Drizzle | Mostly Cloudy |
| April 29 | 46°F8°C | 61°F16°C | 7 mph12 km/h from E | Cloudy | Rain |
| April 30 | 48°F9°C | 64°F18°C | 5 mph9 km/h from E | Rain | Mostly Cloudy |
| May 1 | 49°F10°C | 69°F21°C | 6 mph9 km/h from S | Drizzle | Mostly Cloudy |
Yes
Low of 31°F-1°C, High of 59°F15°CWind: 4 mph6 km/h
Precipitation: None