No
you don't need a jacket based on the weather in Jefferson, WI 53549, USA 1 second ago
63°F17°C & Mostly Clear
Wind is 8 mph13 km/h from the Southeast, gusting to 19 mph30 km/h
| May 15 | ||||
| 2am | 63°F17°C | 8 mph14 km/h Southeast | Mostly Clear | |
| 3am | 62°F17°C | 7 mph12 km/h Southeast | Mostly Clear | |
| 4am | 62°F16°C | 7 mph11 km/h Southeast | Mostly Clear | |
| 5am | 61°F16°C | 5 mph9 km/h East | Mostly Clear | |
| 6am | 60°F16°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 7am | 61°F16°C | 7 mph11 km/h Southeast | Partly Cloudy | |
| 8am | 63°F17°C | 8 mph13 km/h Southeast | Mostly Clear | |
| 9am | 65°F18°C | 10 mph16 km/h Southeast | Mostly Cloudy | |
| 10am | 69°F21°C | 11 mph17 km/h Southeast | Mostly Cloudy | |
| 11am | 73°F23°C | 13 mph20 km/h Southeast | Mostly Cloudy | |
| 12pm | 77°F25°C | 15 mph24 km/h Southeast | Partly Cloudy | |
| 1pm | 80°F27°C | 17 mph27 km/h Southeast | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 60°F16°C | 86°F30°C | 15 mph24 km/h from Southeast | Partly Cloudy | Clear |
| May 16 | 56°F13°C | 79°F26°C | 18 mph30 km/h from Southwest | Windy | Mostly Cloudy |
| May 17 | 51°F11°C | 63°F17°C | 18 mph30 km/h from West | Windy | Partly Cloudy |
| May 18 | 45°F7°C | 68°F20°C | 7 mph12 km/h from North | Partly Cloudy | Mostly Clear |
| May 19 | 42°F6°C | 66°F19°C | 12 mph19 km/h from East | Mostly Cloudy | Mostly Cloudy |
| May 20 | 48°F9°C | 62°F16°C | 14 mph23 km/h from East | Rain | Rain |
| May 21 | 51°F10°C | 61°F16°C | 17 mph27 km/h from Northeast | Rain | Partly Cloudy |
Yes
Low of 56°F14°C, High of 79°F26°CWind: 18 mph30 km/h
Precipitation: 13% rain