No
you don't need a jacket based on the weather in Ottawa, ON, Canada 4 minutes ago
73°F23°C & Mostly Clear
Wind is 4 mph7 km/h from the North, gusting to 9 mph14 km/h
| August 1 | ||||
| 3pm | 73°F23°C | 5 mph9 km/h North | Mostly Clear | |
| 4pm | 74°F23°C | 6 mph10 km/h North | Mostly Clear | |
| 5pm | 73°F23°C | 7 mph11 km/h North | Mostly Clear | |
| 6pm | 73°F23°C | 7 mph10 km/h North | Clear | |
| 7pm | 71°F22°C | 5 mph9 km/h North | Clear | |
| 8pm | 69°F20°C | 4 mph6 km/h North | Clear | |
| 9pm | 65°F19°C | 4 mph6 km/h North | Clear | |
| 10pm | 63°F17°C | 3 mph4 km/h Northwest | Clear | |
| 11pm | 61°F16°C | 2 mph4 km/h Northwest | Clear | |
| August 2 | ||||
| 12am | 60°F15°C | 2 mph3 km/h Northwest | Clear | |
| 1am | 58°F15°C | 2 mph4 km/h West | Clear | |
| 2am | 57°F14°C | 3 mph4 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 1 | 53°F12°C | 74°F23°C | 4 mph7 km/h from North | Clear | Clear |
| August 2 | 55°F13°C | 80°F27°C | 7 mph11 km/h from West | Mostly Clear | Mostly Clear |
| August 3 | 62°F17°C | 85°F30°C | 8 mph12 km/h from West | Clear | Mostly Clear |
| August 4 | 64°F18°C | 82°F28°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| August 5 | 62°F17°C | 80°F27°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| August 6 | 62°F17°C | 81°F27°C | 5 mph7 km/h from East | Mostly Clear | Partly Cloudy |
| August 7 | 63°F17°C | 82°F28°C | 5 mph8 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 81°F27°CWind: 7 mph11 km/h
Precipitation: None