Yes
you do need a jacket based on the weather in New Tecumseth (Alliston), Ontario, Canada 1 second ago
Why? Because there's a refreshing nip in the air and the wind is offering free, unsolicited face massages!
41°F5°C & Clear
Wind is 10 mph16 km/h from the West, gusting to 20 mph32 km/h
| November 4 | ||||
| 5am | 41°F5°C | 10 mph17 km/h West | Clear | |
| 6am | 40°F4°C | 10 mph17 km/h West | Clear | |
| 7am | 40°F4°C | 10 mph16 km/h West | Clear | |
| 8am | 39°F4°C | 9 mph15 km/h West | Clear | |
| 9am | 38°F4°C | 8 mph13 km/h West | Clear | |
| 10am | 38°F3°C | 8 mph13 km/h West | Clear | |
| 11am | 38°F3°C | 8 mph13 km/h West | Clear | |
| 12pm | 39°F4°C | 9 mph14 km/h West | Clear | |
| 1pm | 40°F5°C | 9 mph14 km/h West | Clear | |
| 2pm | 44°F7°C | 10 mph16 km/h West | Clear | |
| 3pm | 48°F9°C | 13 mph21 km/h West | Clear | |
| 4pm | 50°F10°C | 15 mph25 km/h West | Windy | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| November 3 | 40°F4°C | 48°F9°C | 12 mph19 km/h from West | Drizzle | Mostly Clear | 
| November 4 | 38°F3°C | 52°F11°C | 12 mph19 km/h from West | Mostly Clear | Cloudy | 
| November 5 | 39°F4°C | 52°F11°C | 13 mph21 km/h from West | Rain | Drizzle | 
| November 6 | 34°F1°C | 43°F6°C | 6 mph10 km/h from Northwest | Mostly Cloudy | Mostly Cloudy | 
| November 7 | 35°F2°C | 52°F11°C | 11 mph17 km/h from South | Drizzle | Rain | 
| November 8 | 32°F0°C | 46°F8°C | 7 mph12 km/h from Northwest | Mostly Cloudy | Snow | 
| November 9 | 31°F-1°C | 38°F4°C | 7 mph12 km/h from North | Rain | Snow | 
Yes
Low of 37°F3°C, High of 52°F11°CWind: 12 mph19 km/h
Precipitation: None