Yes
you do need a jacket based on the weather in Newmarket, ON, Canada 1 second ago
Why? Because it's cold enough to freeze the brass off a bald monkey
28°F-2°C & Clear
Wind is 4 mph6 km/h from the NE, gusting to 8 mph13 km/h
| April 25 | ||||
| 3am | 28°F-2°C | 4 mph6 km/h NE | Clear | |
| 4am | 27°F-3°C | 4 mph6 km/h NE | Clear | |
| 5am | 27°F-3°C | 4 mph6 km/h NE | Clear | |
| 6am | 26°F-3°C | 3 mph6 km/h E | Clear | |
| 7am | 27°F-3°C | 3 mph5 km/h E | Clear | |
| 8am | 30°F-1°C | 3 mph6 km/h E | Clear | |
| 9am | 34°F1°C | 4 mph6 km/h SE | Clear | |
| 10am | 37°F3°C | 3 mph5 km/h SE | Clear | |
| 11am | 41°F5°C | 2 mph4 km/h SE | Clear | |
| 12pm | 44°F7°C | 2 mph3 km/h SE | Clear | |
| 1pm | 46°F8°C | 2 mph3 km/h NE | Clear | |
| 2pm | 49°F9°C | 2 mph3 km/h NE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 26°F-3°C | 51°F11°C | 3 mph4 km/h from E | Clear | Clear |
| April 26 | 29°F-2°C | 57°F14°C | 11 mph17 km/h from SE | Clear | Partly Cloudy |
| April 27 | 42°F6°C | 58°F14°C | 14 mph23 km/h from S | Rain | Drizzle |
| April 28 | 54°F12°C | 74°F23°C | 8 mph13 km/h from SW | Rain | Rain |
| April 29 | 59°F15°C | 80°F27°C | 11 mph18 km/h from S | Mostly Cloudy | Rain |
| April 30 | 50°F10°C | 70°F21°C | 10 mph15 km/h from W | Drizzle | Mostly Clear |
| May 1 | 46°F8°C | 70°F21°C | 10 mph16 km/h from W | Partly Cloudy | Mostly Clear |
Yes
Low of 29°F-2°C, High of 57°F14°CWind: 11 mph17 km/h
Precipitation: None