No
you don't need a jacket based on the weather in Ottawa (Orléans), Ontario, Canada 17 minutes ago
75°F24°C & Cloudy
Wind is 5 mph8 km/h from the Southwest, gusting to 10 mph16 km/h
| May 15 | ||||
| 6pm | 75°F24°C | 5 mph8 km/h West | Mostly Clear | |
| 7pm | 74°F24°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 8pm | 72°F22°C | 3 mph5 km/h Southwest | Clear | |
| 9pm | 69°F20°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 10pm | 66°F19°C | 3 mph4 km/h South | Partly Cloudy | |
| 11pm | 65°F18°C | 2 mph4 km/h South | Partly Cloudy | |
| May 16 | ||||
| 12am | 63°F17°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 1am | 62°F17°C | 2 mph4 km/h South | Partly Cloudy | |
| 2am | 61°F16°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 3am | 60°F15°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 4am | 58°F15°C | 2 mph3 km/h South | Mostly Clear | |
| 5am | 58°F14°C | 2 mph3 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 62°F17°C | 75°F24°C | 4 mph6 km/h from South | Mostly Cloudy | Mostly Clear |
| May 16 | 58°F14°C | 77°F25°C | 6 mph9 km/h from South | Rain | Drizzle |
| May 17 | 57°F14°C | 70°F21°C | 7 mph11 km/h from South | Rain | Rain |
| May 18 | 47°F8°C | 58°F14°C | 10 mph16 km/h from West | Drizzle | Drizzle |
| May 19 | 45°F7°C | 53°F12°C | 12 mph19 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| May 20 | 44°F7°C | 56°F13°C | 8 mph12 km/h from North | Cloudy | Mostly Cloudy |
| May 21 | 48°F9°C | 59°F15°C | 6 mph10 km/h from Northeast | Cloudy | Cloudy |
Yes
Low of 57°F14°C, High of 77°F25°CWind: 6 mph9 km/h
Precipitation: 43% rain