No
you don't need a jacket based on the weather in Grand Rapids, MI, USA 1 second ago
78°F26°C & Clear
Wind is 3 mph5 km/h from the Northwest, gusting to 6 mph9 km/h
| September 18 | ||||
| 12pm | 79°F26°C | 4 mph6 km/h Northwest | Clear | |
| 1pm | 81°F27°C | 5 mph7 km/h Northwest | Clear | |
| 2pm | 83°F28°C | 5 mph8 km/h West | Clear | |
| 3pm | 84°F29°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 4pm | 84°F29°C | 7 mph12 km/h Northwest | Mostly Clear | |
| 5pm | 83°F29°C | 7 mph11 km/h Northwest | Clear | |
| 6pm | 82°F28°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 7pm | 79°F26°C | 6 mph10 km/h Northwest | Clear | |
| 8pm | 74°F24°C | 5 mph9 km/h Northwest | Clear | |
| 9pm | 71°F22°C | 5 mph8 km/h Northwest | Mostly Clear | |
| 10pm | 69°F21°C | 4 mph7 km/h North | Mostly Clear | |
| 11pm | 67°F20°C | 4 mph6 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 57°F14°C | 84°F29°C | 4 mph6 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 19 | 61°F16°C | 83°F28°C | 8 mph13 km/h from East | Mostly Clear | Partly Cloudy |
| September 20 | 57°F14°C | 80°F27°C | 8 mph14 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 21 | 61°F16°C | 79°F26°C | 8 mph13 km/h from South | Thunderstorms | Thunderstorms |
| September 22 | 63°F17°C | 76°F24°C | 5 mph7 km/h from Southwest | Rain | Mostly Cloudy |
| September 23 | 61°F16°C | 74°F23°C | 4 mph7 km/h from Southwest | Rain | Drizzle |
| September 24 | 61°F16°C | 74°F23°C | 7 mph12 km/h from East | Drizzle | Partly Cloudy |
No
Low of 61°F16°C, High of 83°F29°CWind: 8 mph13 km/h
Precipitation: None