No
you don't need a jacket based on the weather in Jefferson, WI 53549, USA 1 second ago
79°F26°C & Clear
Wind is 2 mph4 km/h from the Southeast, gusting to 4 mph6 km/h
| September 17 | ||||
| 7pm | 79°F26°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 8pm | 75°F24°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 9pm | 71°F22°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 10pm | 68°F20°C | 5 mph7 km/h Southeast | Mostly Clear | |
| 11pm | 66°F19°C | 5 mph7 km/h Southeast | Mostly Clear | |
| September 18 | ||||
| 12am | 65°F18°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 1am | 63°F17°C | 4 mph7 km/h South | Mostly Clear | |
| 2am | 63°F17°C | 4 mph6 km/h South | Partly Cloudy | |
| 3am | 62°F16°C | 3 mph5 km/h South | Partly Cloudy | |
| 4am | 61°F16°C | 3 mph5 km/h South | Mostly Clear | |
| 5am | 60°F16°C | 3 mph5 km/h South | Mostly Clear | |
| 6am | 59°F15°C | 2 mph4 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 56°F14°C | 83°F28°C | 3 mph5 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 18 | 58°F15°C | 82°F28°C | 3 mph5 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 19 | 62°F17°C | 80°F27°C | 8 mph13 km/h from East | Partly Cloudy | Drizzle |
| September 20 | 62°F17°C | 76°F24°C | 7 mph11 km/h from Southeast | Rain | Rain |
| September 21 | 62°F17°C | 78°F25°C | 9 mph15 km/h from Southwest | Mostly Cloudy | Rain |
| September 22 | 62°F17°C | 74°F23°C | 7 mph11 km/h from Southwest | Drizzle | Mostly Clear |
| September 23 | 59°F15°C | 75°F24°C | 8 mph13 km/h from West | Partly Cloudy | Partly Cloudy |
Yes
Low of 58°F15°C, High of 82°F28°CWind: 3 mph5 km/h
Precipitation: None