No
you don't need a jacket based on the weather in Richmond Hill, ON, Canada 1 second ago
81°F27°C & Mostly Cloudy
Wind is 9 mph15 km/h from the Northwest, gusting to 17 mph27 km/h
| September 18 | ||||
| 3pm | 81°F27°C | 10 mph17 km/h Northwest | Mostly Clear | |
| 4pm | 80°F27°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 5pm | 78°F26°C | 12 mph19 km/h Northwest | Mostly Clear | |
| 6pm | 76°F24°C | 12 mph19 km/h Northwest | Clear | |
| 7pm | 73°F23°C | 11 mph17 km/h Northwest | Clear | |
| 8pm | 69°F21°C | 10 mph17 km/h Northwest | Clear | |
| 9pm | 67°F19°C | 10 mph16 km/h Northwest | Clear | |
| 10pm | 65°F18°C | 9 mph14 km/h Northwest | Clear | |
| 11pm | 63°F17°C | 7 mph12 km/h North | Clear | |
| September 19 | ||||
| 12am | 62°F17°C | 6 mph10 km/h North | Mostly Clear | |
| 1am | 61°F16°C | 6 mph10 km/h North | Mostly Clear | |
| 2am | 59°F15°C | 6 mph10 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 53°F12°C | 81°F27°C | 6 mph10 km/h from Northwest | Mostly Clear | Clear |
| September 19 | 53°F12°C | 70°F21°C | 6 mph10 km/h from North | Mostly Clear | Clear |
| September 20 | 48°F9°C | 66°F19°C | 8 mph13 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 54°F12°C | 75°F24°C | 8 mph13 km/h from Southeast | Partly Cloudy | Thunderstorms |
| September 22 | 63°F17°C | 75°F24°C | 8 mph12 km/h from Southwest | Drizzle | Drizzle |
| September 23 | 60°F16°C | 73°F23°C | 7 mph11 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 24 | 57°F14°C | 72°F22°C | 5 mph9 km/h from Northeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 53°F12°C, High of 70°F21°CWind: 6 mph10 km/h
Precipitation: None