No
you don't need a jacket based on the weather in Thunder Bay, ON, Canada 1 second ago
66°F19°C & Partly Cloudy
Wind is 4 mph7 km/h from the East, gusting to 6 mph9 km/h
| September 13 | ||||
| 3pm | 67°F19°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| 4pm | 67°F20°C | 5 mph9 km/h Southeast | Mostly Clear | |
| 5pm | 67°F19°C | 5 mph9 km/h Southeast | Mostly Clear | |
| 6pm | 65°F18°C | 5 mph9 km/h East | Haze | |
| 7pm | 64°F18°C | 4 mph6 km/h Southeast | Haze | |
| 8pm | 62°F17°C | 4 mph6 km/h Southeast | Haze | |
| 9pm | 62°F17°C | 2 mph4 km/h East | Mostly Clear | |
| 10pm | 61°F16°C | 2 mph4 km/h East | Mostly Clear | |
| 11pm | 60°F16°C | 2 mph4 km/h Northeast | Mostly Clear | |
| September 14 | ||||
| 12am | 59°F15°C | 2 mph3 km/h Northeast | Mostly Clear | |
| 1am | 58°F15°C | 3 mph4 km/h Northeast | Partly Cloudy | |
| 2am | 58°F14°C | 3 mph5 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 13 | 56°F14°C | 67°F20°C | 4 mph6 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 14 | 56°F13°C | 65°F18°C | 6 mph10 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 15 | 58°F14°C | 67°F20°C | 6 mph9 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 16 | 58°F14°C | 71°F22°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 17 | 59°F15°C | 71°F22°C | 3 mph6 km/h from Southeast | Partly Cloudy | Drizzle |
| September 18 | 55°F13°C | 63°F17°C | 8 mph13 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| September 19 | 51°F11°C | 61°F16°C | 8 mph14 km/h from Northeast | Drizzle | Partly Cloudy |
Yes
Low of 55°F13°C, High of 65°F19°CWind: 6 mph10 km/h
Precipitation: None