No
you don't need a jacket based on the weather in Lansing, IL, USA 1 second ago
73°F23°C & Mostly Clear
Wind is 4 mph7 km/h from the Northeast, gusting to 11 mph17 km/h
| September 16 | ||||
| 8pm | 72°F22°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 9pm | 69°F21°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 10pm | 68°F20°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 11pm | 66°F19°C | 3 mph5 km/h Northeast | Clear | |
| September 17 | ||||
| 12am | 65°F18°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 64°F18°C | 4 mph6 km/h East | Clear | |
| 2am | 63°F17°C | 3 mph5 km/h Northeast | Clear | |
| 3am | 63°F17°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 4am | 62°F17°C | 2 mph4 km/h Northeast | Mostly Clear | |
| 5am | 62°F16°C | 2 mph4 km/h Northeast | Mostly Clear | |
| 6am | 61°F16°C | 2 mph3 km/h Northeast | Mostly Clear | |
| 7am | 61°F16°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 59°F15°C | 80°F27°C | 4 mph6 km/h from Northeast | Clear | Mostly Clear |
| September 17 | 60°F16°C | 83°F28°C | 4 mph6 km/h from Northeast | Mostly Clear | Clear |
| September 18 | 60°F16°C | 84°F29°C | 4 mph6 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 19 | 64°F18°C | 80°F27°C | 7 mph11 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 20 | 62°F17°C | 83°F28°C | 7 mph11 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 21 | 63°F17°C | 80°F26°C | 8 mph14 km/h from South | Thunderstorms | Rain |
| September 22 | 64°F18°C | 79°F26°C | 7 mph11 km/h from Southwest | Thunderstorms | Rain |
No
Low of 61°F16°C, High of 82°F28°CWind: 4 mph6 km/h
Precipitation: None