Yes
you do need a jacket based on the weather in Ottawa (Byward Market - Parliament Hill), Ontario, Canada 1 second ago
Why? Because it's bitterly cold.
48°F9°C & Clear
Wind is 6 mph9 km/h from the W, gusting to 14 mph22 km/h
| April 25 | ||||
| 4pm | 48°F9°C | 6 mph10 km/h W | Mostly Clear | |
| 5pm | 49°F10°C | 6 mph10 km/h W | Mostly Clear | |
| 6pm | 50°F10°C | 6 mph10 km/h W | Mostly Clear | |
| 7pm | 48°F9°C | 5 mph8 km/h W | Clear | |
| 8pm | 45°F7°C | 4 mph6 km/h W | Clear | |
| 9pm | 43°F6°C | 4 mph6 km/h W | Mostly Clear | |
| 10pm | 41°F5°C | 3 mph5 km/h W | Clear | |
| 11pm | 39°F4°C | 3 mph5 km/h W | Clear | |
| April 26 | ||||
| 12am | 37°F3°C | 3 mph4 km/h W | Clear | |
| 1am | 36°F2°C | 3 mph5 km/h W | Clear | |
| 2am | 34°F1°C | 2 mph3 km/h N | Clear | |
| 3am | 33°F1°C | 2 mph3 km/h NE | 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 | 58°F15°C | 4 mph6 km/h from SE | Clear | Mostly Clear |
| April 27 | 36°F2°C | 64°F18°C | 9 mph15 km/h from S | Rain | Rain |
| April 28 | 49°F9°C | 72°F22°C | 8 mph13 km/h from SW | Rain | Rain |
| April 29 | 47°F8°C | 63°F17°C | 8 mph13 km/h from E | Cloudy | Rain |
| April 30 | 51°F10°C | 67°F20°C | 7 mph11 km/h from S | Rain | Mostly Cloudy |
| May 1 | 50°F10°C | 70°F21°C | 6 mph9 km/h from SW | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 31°F-1°C, High of 58°F15°CWind: 4 mph6 km/h
Precipitation: None