No
you don't need a jacket based on the weather in Grand Rapids, MI 49505, USA 1 second ago
75°F24°C & Clear
Wind is 3 mph5 km/h from the East, gusting to 5 mph8 km/h
| September 11 | ||||
| 1pm | 76°F25°C | 3 mph5 km/h East | Clear | |
| 2pm | 78°F26°C | 2 mph3 km/h East | Clear | |
| 3pm | 79°F26°C | 3 mph4 km/h Southeast | Clear | |
| 4pm | 80°F26°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 5pm | 79°F26°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 6pm | 78°F25°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 7pm | 75°F24°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 8pm | 71°F22°C | 1 mph1 km/h Northwest | Mostly Clear | |
| 9pm | 67°F20°C | 2 mph4 km/h North | Mostly Clear | |
| 10pm | 64°F18°C | 3 mph4 km/h North | Mostly Clear | |
| 11pm | 62°F17°C | 3 mph5 km/h Northeast | Mostly Clear | |
| September 12 | ||||
| 12am | 60°F16°C | 4 mph6 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 52°F11°C | 80°F26°C | 3 mph4 km/h from East | Clear | Mostly Clear |
| September 12 | 52°F11°C | 80°F27°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 13 | 57°F14°C | 79°F26°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 14 | 61°F16°C | 86°F30°C | 5 mph9 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 15 | 63°F17°C | 87°F31°C | 4 mph7 km/h from Southeast | Mostly Clear | Clear |
| September 16 | 64°F18°C | 88°F31°C | 3 mph5 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 17 | 62°F17°C | 85°F29°C | 4 mph6 km/h from Southeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 53°F12°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None