No
you don't need a jacket based on the weather in Montreal, QC, Canada 1 second ago
67°F19°C & Clear
Wind is 2 mph4 km/h from the North, gusting to 4 mph6 km/h
| September 15 | ||||
| 8pm | 65°F18°C | 3 mph4 km/h Northeast | Clear | |
| 9pm | 63°F17°C | 2 mph3 km/h East | Clear | |
| 10pm | 62°F16°C | 2 mph3 km/h Southeast | Clear | |
| 11pm | 60°F16°C | 1 mph2 km/h South | Clear | |
| September 16 | ||||
| 12am | 60°F15°C | 1 mph2 km/h West | Clear | |
| 1am | 59°F15°C | 2 mph3 km/h Northwest | Clear | |
| 2am | 58°F14°C | 2 mph3 km/h Northeast | Clear | |
| 3am | 57°F14°C | 2 mph4 km/h Northeast | Clear | |
| 4am | 56°F13°C | 3 mph4 km/h Northeast | Clear | |
| 5am | 55°F13°C | 3 mph4 km/h Northeast | Clear | |
| 6am | 54°F12°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 7am | 54°F12°C | 3 mph5 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 54°F12°C | 74°F23°C | 3 mph6 km/h from North | Clear | Clear |
| September 16 | 54°F12°C | 78°F25°C | 3 mph5 km/h from Northeast | Clear | Mostly Clear |
| September 17 | 57°F14°C | 78°F25°C | 3 mph5 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 18 | 60°F16°C | 78°F26°C | 9 mph14 km/h from West | Mostly Clear | Partly Cloudy |
| September 19 | 51°F11°C | 68°F20°C | 7 mph11 km/h from North | Mostly Clear | Clear |
| September 20 | 46°F8°C | 65°F18°C | 4 mph6 km/h from North | Clear | Mostly Clear |
| September 21 | 49°F9°C | 75°F24°C | 5 mph8 km/h from South | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 78°F26°CWind: 3 mph5 km/h
Precipitation: None