No
you don't need a jacket based on the weather in Grand Rapids, MI 49506, USA 1 second ago
63°F17°C & Mostly Clear
Wind is 1 mph1 km/h from the Southeast, gusting to 1 mph1 km/h
| September 11 | ||||
| 11pm | 62°F17°C | 1 mph1 km/h East | Mostly Clear | |
| September 12 | ||||
| 12am | 60°F16°C | 3 mph5 km/h Northeast | Clear | |
| 1am | 58°F15°C | 4 mph7 km/h East | Clear | |
| 2am | 57°F14°C | 4 mph7 km/h East | Clear | |
| 3am | 56°F13°C | 4 mph7 km/h East | Clear | |
| 4am | 55°F13°C | 5 mph7 km/h East | Clear | |
| 5am | 54°F12°C | 4 mph7 km/h Southeast | Clear | |
| 6am | 54°F12°C | 4 mph7 km/h Southeast | Clear | |
| 7am | 53°F12°C | 4 mph7 km/h Southeast | Clear | |
| 8am | 54°F12°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 9am | 59°F15°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 10am | 65°F19°C | 4 mph7 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 52°F11°C | 80°F27°C | 2 mph3 km/h from East | Mostly Clear | Clear |
| September 12 | 53°F12°C | 81°F27°C | 5 mph9 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 13 | 59°F15°C | 79°F26°C | 6 mph9 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 14 | 62°F17°C | 84°F29°C | 5 mph9 km/h from East | Mostly Clear | Mostly Clear |
| September 15 | 63°F17°C | 86°F30°C | 5 mph9 km/h from East | Mostly Clear | Mostly Clear |
| September 16 | 63°F17°C | 86°F30°C | 5 mph7 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 17 | 60°F16°C | 84°F29°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
Yes
Low of 53°F12°C, High of 82°F28°CWind: 5 mph9 km/h
Precipitation: None