No
you don't need a jacket based on the weather in South Lyon, MI 48178, USA 1 second ago
74°F23°C & Partly Cloudy
Wind is 4 mph7 km/h from the Southwest, gusting to 12 mph20 km/h
| August 17 | ||||
| 12am | 74°F23°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 1am | 73°F23°C | 4 mph6 km/h West | Partly Cloudy | |
| 2am | 72°F22°C | 5 mph7 km/h West | Cloudy | |
| 3am | 72°F22°C | 5 mph9 km/h Northwest | Cloudy | |
| 4am | 71°F21°C | 6 mph10 km/h West | Partly Cloudy | |
| 5am | 69°F21°C | 7 mph11 km/h West | Thunderstorms | |
| 6am | 69°F21°C | 7 mph12 km/h Northwest | Partly Cloudy | |
| 7am | 70°F21°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 8am | 71°F22°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 9am | 73°F23°C | 8 mph13 km/h Northwest | Cloudy | |
| 10am | 75°F24°C | 9 mph14 km/h North | Mostly Cloudy | |
| 11am | 77°F25°C | 9 mph15 km/h North | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 16 | 66°F19°C | 89°F32°C | 3 mph4 km/h from South | Partly Cloudy | Mostly Cloudy |
| August 17 | 63°F17°C | 82°F28°C | 10 mph16 km/h from North | Mostly Cloudy | Mostly Clear |
| August 18 | 59°F15°C | 80°F27°C | 7 mph11 km/h from Southeast | Mostly Clear | Mostly Clear |
| August 19 | 63°F17°C | 81°F27°C | 6 mph10 km/h from South | Drizzle | Rain |
| August 20 | 67°F20°C | 79°F26°C | 6 mph9 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| August 21 | 64°F18°C | 80°F27°C | 8 mph13 km/h from Northeast | Partly Cloudy | Clear |
| August 22 | 62°F17°C | 83°F28°C | 4 mph6 km/h from West | Clear | Mostly Clear |
No
Low of 64°F18°C, High of 82°F28°CWind: 10 mph16 km/h
Precipitation: 28% rain