Yes
you do need a jacket based on the weather in Newmarket, ON, Canada 1 second ago
Why? Because it's bitterly cold.
38°F4°C & Mostly Cloudy
Wind is 6 mph10 km/h from the NW, gusting to 15 mph24 km/h
| April 20 | ||||
| 8am | 39°F4°C | 7 mph12 km/h NW | Mostly Cloudy | |
| 9am | 40°F4°C | 10 mph16 km/h NW | Mostly Cloudy | |
| 10am | 41°F5°C | 11 mph18 km/h W | Mostly Cloudy | |
| 11am | 41°F5°C | 14 mph22 km/h W | Cloudy | |
| 12pm | 42°F6°C | 14 mph23 km/h W | Cloudy | |
| 1pm | 42°F5°C | 15 mph24 km/h NW | Cloudy | |
| 2pm | 43°F6°C | 14 mph23 km/h NW | Cloudy | |
| 3pm | 44°F7°C | 16 mph25 km/h NW | Windy | |
| 4pm | 45°F7°C | 16 mph26 km/h NW | Windy | |
| 5pm | 45°F7°C | 15 mph24 km/h W | Windy | |
| 6pm | 44°F7°C | 14 mph23 km/h W | Mostly Cloudy | |
| 7pm | 42°F6°C | 13 mph21 km/h W | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 35°F2°C | 45°F7°C | 13 mph21 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 21 | 31°F-0°C | 49°F10°C | 13 mph21 km/h from W | Mostly Cloudy | Mostly Clear |
| April 22 | 29°F-2°C | 51°F11°C | 7 mph12 km/h from W | Mostly Clear | Partly Cloudy |
| April 23 | 39°F4°C | 59°F15°C | 16 mph26 km/h from S | Drizzle | Rain |
| April 24 | 36°F2°C | 50°F10°C | 15 mph25 km/h from NW | Rain | Mostly Clear |
| April 25 | 30°F-1°C | 51°F11°C | 7 mph12 km/h from N | Mostly Clear | Clear |
| April 26 | 32°F-0°C | 57°F14°C | 8 mph13 km/h from SE | Mostly Clear | Mostly Cloudy |
Yes
Low of 31°F-1°C, High of 49°F10°CWind: 13 mph21 km/h
Precipitation: None