Yes
you do need a jacket based on the weather in Newmarket, ON, Canada 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
53°F12°C & Mostly Cloudy
Wind is 5 mph8 km/h from the Northeast, gusting to 12 mph19 km/h
| June 14 | ||||
| 7am | 55°F13°C | 7 mph11 km/h Northeast | Partly Cloudy | |
| 8am | 58°F15°C | 8 mph13 km/h East | Mostly Clear | |
| 9am | 62°F16°C | 8 mph13 km/h East | Mostly Clear | |
| 10am | 65°F18°C | 8 mph13 km/h East | Mostly Clear | |
| 11am | 68°F20°C | 8 mph13 km/h East | Clear | |
| 12pm | 69°F21°C | 8 mph13 km/h East | Mostly Clear | |
| 1pm | 70°F21°C | 8 mph12 km/h East | Mostly Clear | |
| 2pm | 72°F22°C | 7 mph11 km/h East | Mostly Clear | |
| 3pm | 72°F22°C | 6 mph10 km/h East | Mostly Clear | |
| 4pm | 73°F23°C | 6 mph10 km/h East | Mostly Clear | |
| 5pm | 73°F23°C | 6 mph10 km/h East | Mostly Clear | |
| 6pm | 72°F22°C | 6 mph9 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 14 | 52°F11°C | 73°F23°C | 7 mph12 km/h from East | Mostly Clear | Mostly Clear |
| June 15 | 52°F11°C | 75°F24°C | 4 mph6 km/h from East | Partly Cloudy | Partly Cloudy |
| June 16 | 54°F12°C | 79°F26°C | 6 mph9 km/h from South | Partly Cloudy | Mostly Clear |
| June 17 | 59°F15°C | 80°F27°C | 9 mph15 km/h from South | Mostly Cloudy | Rain |
| June 18 | 64°F18°C | 80°F26°C | 7 mph10 km/h from Southwest | Rain | Thunderstorms |
| June 19 | 63°F17°C | 75°F24°C | 14 mph22 km/h from West | Thunderstorms | Mostly Clear |
| June 20 | 58°F14°C | 73°F23°C | 10 mph16 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 52°F11°C, High of 75°F24°CWind: 4 mph6 km/h
Precipitation: None