Yes
you do need a jacket based on the weather in Mississauga (Erin Mills), Ontario, Canada 1 second ago
Why? Because it's pretty chilly!
58°F15°C & Clear
Wind is 6 mph10 km/h from the North, gusting to 15 mph24 km/h
| September 19 | ||||
| 11pm | 57°F14°C | 6 mph10 km/h North | Clear | |
| September 20 | ||||
| 12am | 56°F13°C | 6 mph10 km/h North | Clear | |
| 1am | 56°F13°C | 6 mph10 km/h North | Clear | |
| 2am | 55°F13°C | 7 mph11 km/h Northeast | Clear | |
| 3am | 55°F13°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 4am | 55°F13°C | 6 mph10 km/h Northeast | Clear | |
| 5am | 55°F13°C | 7 mph11 km/h Northeast | Mostly Clear | |
| 6am | 54°F12°C | 7 mph12 km/h Northeast | Mostly Clear | |
| 7am | 53°F12°C | 7 mph12 km/h Northeast | Mostly Clear | |
| 8am | 54°F12°C | 8 mph13 km/h Northeast | Mostly Clear | |
| 9am | 57°F14°C | 10 mph16 km/h East | Partly Cloudy | |
| 10am | 59°F15°C | 11 mph18 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 56°F13°C | 71°F22°C | 4 mph6 km/h from East | Mostly Clear | Clear |
| September 20 | 53°F12°C | 65°F18°C | 11 mph18 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 57°F14°C | 75°F24°C | 6 mph10 km/h from Southeast | Mostly Clear | Drizzle |
| September 22 | 65°F18°C | 76°F24°C | 8 mph12 km/h from Southwest | Drizzle | Drizzle |
| September 23 | 63°F17°C | 72°F22°C | 4 mph6 km/h from Northwest | Drizzle | Mostly Clear |
| September 24 | 57°F14°C | 69°F21°C | 7 mph12 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| September 25 | 58°F15°C | 69°F21°C | 7 mph12 km/h from Northeast | Mostly Cloudy | Drizzle |
Yes
Low of 54°F12°C, High of 64°F18°CWind: 11 mph18 km/h
Precipitation: None