No
you don't need a jacket based on the weather in Ottawa, ON, Canada 1 second ago
74°F24°C & Mostly Clear
Wind is 5 mph8 km/h from the E, gusting to 11 mph18 km/h
| September 24 | ||||
| 5pm | 74°F24°C | 5 mph8 km/h E | Mostly Clear | |
| 6pm | 72°F22°C | 4 mph6 km/h E | Mostly Clear | |
| 7pm | 69°F21°C | 3 mph5 km/h E | Mostly Clear | |
| 8pm | 66°F19°C | 3 mph6 km/h E | Mostly Clear | |
| 9pm | 64°F18°C | 3 mph5 km/h NE | Mostly Clear | |
| 10pm | 62°F17°C | 4 mph6 km/h NE | Mostly Clear | |
| 11pm | 61°F16°C | 4 mph6 km/h NE | Partly Cloudy | |
| September 25 | ||||
| 12am | 60°F16°C | 4 mph7 km/h NE | Mostly Clear | |
| 1am | 59°F15°C | 4 mph7 km/h NE | Mostly Clear | |
| 2am | 58°F14°C | 4 mph7 km/h NE | Mostly Clear | |
| 3am | 56°F14°C | 4 mph7 km/h NE | Mostly Clear | |
| 4am | 55°F13°C | 5 mph7 km/h NE | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 24 | 50°F10°C | 76°F24°C | 4 mph7 km/h from E | Mostly Clear | Mostly Clear |
| September 25 | 52°F11°C | 72°F22°C | 9 mph15 km/h from E | Clear | Mostly Clear |
| September 26 | 49°F9°C | 69°F21°C | 7 mph11 km/h from E | Partly Cloudy | Partly Cloudy |
| September 27 | 46°F8°C | 71°F22°C | 3 mph5 km/h from E | Mostly Clear | Mostly Clear |
| September 28 | 48°F9°C | 72°F22°C | 4 mph6 km/h from E | Partly Cloudy | Partly Cloudy |
| September 29 | 50°F10°C | 73°F23°C | 3 mph5 km/h from E | Mostly Clear | Mostly Clear |
| September 30 | 51°F10°C | 75°F24°C | 2 mph4 km/h from E | Clear | Clear |
Yes
Low of 53°F12°C, High of 72°F22°CWind: 9 mph15 km/h
Precipitation: None