Yes
you do need a jacket based on the weather in Waukesha, WI, USA 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
38°F3°C & Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 12 mph19 km/h
| December 26 | ||||
| 11am | 38°F3°C | 6 mph9 km/h Southeast | Cloudy | |
| 12pm | 39°F4°C | 6 mph10 km/h Southeast | Cloudy | |
| 1pm | 40°F5°C | 7 mph10 km/h Southeast | Cloudy | |
| 2pm | 42°F5°C | 6 mph10 km/h Southeast | Haze | |
| 3pm | 42°F6°C | 5 mph8 km/h Southeast | Haze | |
| 4pm | 42°F6°C | 4 mph7 km/h Southeast | Cloudy | |
| 5pm | 41°F5°C | 5 mph8 km/h Southeast | Cloudy | |
| 6pm | 41°F5°C | 6 mph9 km/h Southeast | Cloudy | |
| 7pm | 40°F4°C | 6 mph9 km/h Southeast | Cloudy | |
| 8pm | 40°F4°C | 6 mph10 km/h Southeast | Cloudy | |
| 9pm | 40°F5°C | 7 mph11 km/h Southeast | Cloudy | |
| 10pm | 41°F5°C | 7 mph11 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 26 | 34°F1°C | 42°F6°C | 5 mph8 km/h from Southeast | Haze | Cloudy |
| December 27 | 39°F4°C | 45°F7°C | 10 mph16 km/h from Southeast | Rain | Rain |
| December 28 | 39°F4°C | 47°F9°C | 11 mph18 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| December 29 | 36°F2°C | 43°F6°C | 7 mph11 km/h from West | Cloudy | Mostly Cloudy |
| December 30 | 33°F1°C | 41°F5°C | 5 mph7 km/h from Southwest | Cloudy | Cloudy |
| December 31 | 28°F-2°C | 36°F2°C | 12 mph20 km/h from Northwest | Snow | Mostly Cloudy |
| January 1 | 22°F-6°C | 29°F-2°C | 14 mph23 km/h from West | Cloudy | Partly Cloudy |
Yes
Low of 39°F4°C, High of 45°F7°CWind: 10 mph16 km/h
Precipitation: 66% rain