No
you don't need a jacket based on the weather in Montreal, QC, Canada 7 minutes ago
70°F21°C & Mostly Clear
Wind is 1 mph2 km/h from the Southeast, gusting to 3 mph5 km/h
| September 10 | ||||
| 8pm | 67°F20°C | 2 mph4 km/h South | Clear | |
| 9pm | 66°F19°C | 2 mph3 km/h Southwest | Clear | |
| 10pm | 64°F18°C | 3 mph6 km/h Southwest | Clear | |
| 11pm | 63°F17°C | 4 mph7 km/h West | Clear | |
| September 11 | ||||
| 12am | 61°F16°C | 4 mph7 km/h West | Clear | |
| 1am | 60°F16°C | 4 mph7 km/h West | Clear | |
| 2am | 58°F15°C | 3 mph5 km/h West | Mostly Clear | |
| 3am | 57°F14°C | 3 mph6 km/h Northwest | Partly Cloudy | |
| 4am | 57°F14°C | 3 mph6 km/h West | Partly Cloudy | |
| 5am | 56°F13°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 6am | 56°F13°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 7am | 56°F14°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 53°F11°C | 75°F24°C | 2 mph3 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 11 | 56°F13°C | 73°F23°C | 5 mph9 km/h from North | Partly Cloudy | Clear |
| September 12 | 50°F10°C | 68°F20°C | 3 mph4 km/h from Northeast | Mostly Clear | Partly Cloudy |
| September 13 | 52°F11°C | 71°F22°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Thunderstorms |
| September 14 | 58°F14°C | 68°F20°C | 5 mph8 km/h from North | Thunderstorms | Mostly Clear |
| September 15 | 54°F12°C | 72°F22°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 16 | 55°F13°C | 75°F24°C | 3 mph5 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 73°F23°CWind: 5 mph9 km/h
Precipitation: None