Yes
you do need a jacket based on the weather in Nepean, Ottawa, ON, Canada 1 second ago
Why? Because it's cold. simple as that.
41°F5°C & Clear
Wind is 11 mph18 km/h from the N, gusting to 22 mph35 km/h
| April 24 | ||||
| 7pm | 40°F4°C | 10 mph16 km/h N | Clear | |
| 8pm | 38°F3°C | 7 mph12 km/h N | Clear | |
| 9pm | 35°F2°C | 6 mph9 km/h N | Clear | |
| 10pm | 34°F1°C | 5 mph9 km/h N | Clear | |
| 11pm | 33°F1°C | 5 mph9 km/h N | Clear | |
| April 25 | ||||
| 12am | 32°F0°C | 6 mph9 km/h N | Clear | |
| 1am | 31°F-0°C | 5 mph9 km/h N | Clear | |
| 2am | 30°F-1°C | 5 mph8 km/h N | Clear | |
| 3am | 29°F-2°C | 5 mph8 km/h N | Clear | |
| 4am | 28°F-2°C | 4 mph7 km/h N | Clear | |
| 5am | 28°F-2°C | 4 mph6 km/h NW | Clear | |
| 6am | 27°F-3°C | 4 mph7 km/h N | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 32°F0°C | 49°F10°C | 12 mph19 km/h from N | Drizzle | Clear |
| April 25 | 27°F-3°C | 51°F11°C | 5 mph8 km/h from NW | Clear | Clear |
| April 26 | 32°F-0°C | 60°F16°C | 4 mph6 km/h from SE | Clear | Mostly Clear |
| April 27 | 36°F2°C | 63°F17°C | 9 mph14 km/h from S | Drizzle | Drizzle |
| April 28 | 49°F9°C | 70°F21°C | 6 mph10 km/h from S | Rain | Rain |
| April 29 | 53°F11°C | 68°F20°C | 7 mph12 km/h from E | Cloudy | Drizzle |
| April 30 | 54°F12°C | 74°F23°C | 8 mph13 km/h from S | Drizzle | Partly Cloudy |
Yes
Low of 28°F-3°C, High of 51°F11°CWind: 5 mph8 km/h
Precipitation: None