Yes
you do need a jacket based on the weather in Ajax, ON L1T 2K8, Canada 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
40°F4°C & Mostly Cloudy
Wind is 8 mph13 km/h from the West, gusting to 17 mph28 km/h
| November 4 | ||||
| 1pm | 40°F5°C | 9 mph14 km/h West | Clear | |
| 2pm | 45°F7°C | 11 mph18 km/h West | Clear | |
| 3pm | 49°F9°C | 13 mph21 km/h West | Clear | |
| 4pm | 52°F11°C | 14 mph22 km/h West | Clear | |
| 5pm | 54°F12°C | 15 mph25 km/h West | Windy | |
| 6pm | 55°F13°C | 17 mph27 km/h West | Windy | |
| 7pm | 56°F13°C | 17 mph27 km/h Northwest | Windy | |
| 8pm | 55°F13°C | 14 mph23 km/h West | Mostly Clear | |
| 9pm | 53°F12°C | 12 mph20 km/h West | Mostly Clear | |
| 10pm | 50°F10°C | 9 mph15 km/h West | Mostly Clear | |
| 11pm | 47°F9°C | 8 mph13 km/h West | Mostly Clear | |
| November 5 | ||||
| 12am | 45°F7°C | 7 mph12 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| November 4 | 38°F3°C | 56°F13°C | 12 mph20 km/h from West | Clear | Mostly Cloudy | 
| November 5 | 41°F5°C | 54°F12°C | 16 mph26 km/h from Southwest | Drizzle | Partly Cloudy | 
| November 6 | 36°F2°C | 43°F6°C | 9 mph14 km/h from Northwest | Partly Cloudy | Cloudy | 
| November 7 | 37°F3°C | 52°F11°C | 13 mph20 km/h from South | Rain | Drizzle | 
| November 8 | 34°F1°C | 47°F8°C | 9 mph14 km/h from Northwest | Mostly Cloudy | Rain | 
| November 9 | 30°F-1°C | 42°F6°C | 12 mph20 km/h from Northeast | Rain | Partly Cloudy | 
| November 10 | 26°F-3°C | 33°F1°C | 12 mph19 km/h from Northwest | Partly Cloudy | Partly Cloudy | 
Yes
Low of 41°F5°C, High of 54°F12°CWind: 16 mph26 km/h
Precipitation: 84% rain