No
you don't need a jacket based on the weather in Portage, MI, USA 1 second ago
63°F17°C & Clear
Wind is 1 mph1 km/h from the South, gusting to 3 mph5 km/h
| September 18 | ||||
| 10am | 68°F20°C | 1 mph2 km/h South | Mostly Clear | |
| 11am | 74°F24°C | 1 mph2 km/h South | Mostly Clear | |
| 12pm | 79°F26°C | 2 mph2 km/h South | Mostly Clear | |
| 1pm | 81°F27°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 2pm | 82°F28°C | 2 mph3 km/h South | Mostly Clear | |
| 3pm | 83°F28°C | 1 mph2 km/h North | Mostly Clear | |
| 4pm | 83°F29°C | 2 mph4 km/h North | Clear | |
| 5pm | 83°F28°C | 2 mph4 km/h North | Mostly Clear | |
| 6pm | 82°F28°C | 3 mph5 km/h North | Mostly Clear | |
| 7pm | 79°F26°C | 3 mph5 km/h North | Mostly Clear | |
| 8pm | 75°F24°C | 3 mph5 km/h North | Mostly Clear | |
| 9pm | 72°F22°C | 4 mph6 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 54°F12°C | 83°F29°C | 2 mph3 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 19 | 60°F16°C | 84°F29°C | 5 mph9 km/h from East | Mostly Clear | Mostly Cloudy |
| September 20 | 60°F16°C | 80°F27°C | 8 mph13 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 21 | 60°F16°C | 79°F26°C | 8 mph13 km/h from South | Drizzle | Thunderstorms |
| September 22 | 63°F17°C | 75°F24°C | 6 mph10 km/h from Southwest | Rain | Rain |
| September 23 | 62°F17°C | 75°F24°C | 3 mph6 km/h from Southwest | Drizzle | Drizzle |
| September 24 | 62°F17°C | 74°F23°C | 7 mph11 km/h from East | Drizzle | Mostly Cloudy |
No
Low of 60°F16°C, High of 84°F29°CWind: 5 mph9 km/h
Precipitation: None