Yes
you do need a jacket based on the weather in Nepean, Ottawa, ON, Canada 1 second ago
Why? Because the air feels like the cozy middle ground between summer and winter!
52°F11°C & Mostly Cloudy
Wind is 4 mph6 km/h from the North, gusting to 7 mph12 km/h
| September 15 | ||||
| 6am | 52°F11°C | 4 mph7 km/h North | Mostly Cloudy | |
| 7am | 51°F11°C | 4 mph6 km/h North | Mostly Clear | |
| 8am | 54°F12°C | 4 mph7 km/h Northeast | Clear | |
| 9am | 58°F14°C | 4 mph7 km/h Northeast | Clear | |
| 10am | 62°F16°C | 3 mph5 km/h Northeast | Clear | |
| 11am | 65°F18°C | 2 mph4 km/h East | Mostly Clear | |
| 12pm | 68°F20°C | 2 mph3 km/h East | Partly Cloudy | |
| 1pm | 71°F22°C | 2 mph3 km/h Northeast | Clear | |
| 2pm | 73°F23°C | 2 mph3 km/h Northeast | Clear | |
| 3pm | 74°F23°C | 2 mph3 km/h Northeast | Clear | |
| 4pm | 74°F24°C | 2 mph3 km/h North | Clear | |
| 5pm | 74°F23°C | 2 mph3 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 51°F11°C | 74°F24°C | 3 mph4 km/h from Northeast | Clear | Clear |
| September 16 | 52°F11°C | 78°F26°C | 3 mph4 km/h from Northeast | Clear | Clear |
| September 17 | 54°F12°C | 79°F26°C | 2 mph3 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 18 | 58°F15°C | 79°F26°C | 7 mph11 km/h from West | Partly Cloudy | Mostly Clear |
| September 19 | 49°F10°C | 66°F19°C | 9 mph15 km/h from North | Clear | Clear |
| September 20 | 44°F7°C | 65°F18°C | 3 mph5 km/h from Northeast | Clear | Mostly Clear |
| September 21 | 46°F8°C | 73°F23°C | 5 mph9 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 52°F11°C, High of 79°F26°CWind: 3 mph4 km/h
Precipitation: None