Yes
you do need a jacket based on the weather in Ottawa (Orléans), Ontario, Canada 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
50°F10°C & Clear
Wind is 5 mph8 km/h from the Northwest, gusting to 11 mph18 km/h
| September 19 | ||||
| 7am | 50°F10°C | 5 mph9 km/h Northwest | Mostly Clear | |
| 8am | 52°F11°C | 7 mph11 km/h North | Mostly Clear | |
| 9am | 55°F13°C | 8 mph13 km/h North | Mostly Clear | |
| 10am | 58°F14°C | 8 mph13 km/h North | Mostly Clear | |
| 11am | 60°F16°C | 9 mph14 km/h Northwest | Mostly Clear | |
| 12pm | 62°F17°C | 9 mph14 km/h Northwest | Mostly Clear | |
| 1pm | 64°F18°C | 9 mph15 km/h Northwest | Clear | |
| 2pm | 65°F18°C | 9 mph14 km/h Northwest | Clear | |
| 3pm | 66°F19°C | 9 mph14 km/h Northwest | Clear | |
| 4pm | 66°F19°C | 9 mph14 km/h Northwest | Clear | |
| 5pm | 65°F18°C | 9 mph14 km/h Northwest | Clear | |
| 6pm | 63°F17°C | 8 mph13 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 47°F9°C | 66°F19°C | 8 mph13 km/h from Northwest | Clear | Clear |
| September 20 | 40°F4°C | 65°F18°C | 3 mph5 km/h from Northeast | Clear | Clear |
| September 21 | 41°F5°C | 73°F23°C | 6 mph9 km/h from Southeast | Partly Cloudy | Drizzle |
| September 22 | 53°F11°C | 70°F21°C | 6 mph10 km/h from South | Rain | Drizzle |
| September 23 | 58°F15°C | 71°F22°C | 5 mph9 km/h from West | Drizzle | Drizzle |
| September 24 | 52°F11°C | 68°F20°C | 7 mph12 km/h from North | Mostly Clear | Mostly Clear |
| September 25 | 49°F10°C | 71°F22°C | 5 mph9 km/h from North | Mostly Clear | Mostly Clear |
Yes
Low of 40°F5°C, High of 65°F19°CWind: 3 mph5 km/h
Precipitation: None