No
you don't need a jacket based on the weather in Lansing, IL, USA 1 second ago
81°F27°C & Clear
Wind is 1 mph1 km/h from the South, gusting to 3 mph5 km/h
| September 18 | ||||
| 1pm | 82°F28°C | 1 mph2 km/h South | Mostly Clear | |
| 2pm | 83°F28°C | 2 mph3 km/h Northeast | Clear | |
| 3pm | 84°F29°C | 5 mph8 km/h Northeast | Clear | |
| 4pm | 84°F29°C | 6 mph10 km/h Northeast | Clear | |
| 5pm | 83°F29°C | 7 mph12 km/h Northeast | Clear | |
| 6pm | 81°F27°C | 7 mph12 km/h Northeast | Clear | |
| 7pm | 79°F26°C | 6 mph10 km/h Northeast | Clear | |
| 8pm | 75°F24°C | 5 mph8 km/h Northeast | Clear | |
| 9pm | 72°F22°C | 5 mph8 km/h Northeast | Clear | |
| 10pm | 70°F21°C | 5 mph7 km/h Northeast | Clear | |
| 11pm | 68°F20°C | 5 mph8 km/h Northeast | Clear | |
| September 19 | ||||
| 12am | 67°F20°C | 5 mph7 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 57°F14°C | 84°F29°C | 4 mph6 km/h from Northeast | Mostly Clear | Clear |
| September 19 | 62°F16°C | 85°F29°C | 5 mph8 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 20 | 65°F18°C | 80°F26°C | 5 mph8 km/h from South | Mostly Cloudy | Drizzle |
| September 21 | 64°F18°C | 78°F26°C | 7 mph12 km/h from Southwest | Rain | Rain |
| September 22 | 64°F18°C | 77°F25°C | 6 mph9 km/h from Southwest | Drizzle | Drizzle |
| September 23 | 64°F18°C | 76°F25°C | 5 mph8 km/h from Southeast | Drizzle | Drizzle |
| September 24 | 63°F17°C | 74°F23°C | 7 mph12 km/h from Northeast | Drizzle | Mostly Cloudy |
No
Low of 62°F17°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: 39% rain