Yes
you do need a jacket based on the weather in Waukesha, WI, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
51°F11°C & Mostly Clear
Wind is 7 mph12 km/h from the Southeast, gusting to 15 mph24 km/h
| April 27 | ||||
| 11pm | 51°F11°C | 8 mph13 km/h Southeast | Clear | |
| April 28 | ||||
| 12am | 50°F10°C | 7 mph11 km/h Southeast | Clear | |
| 1am | 49°F10°C | 6 mph10 km/h Southeast | Clear | |
| 2am | 49°F9°C | 6 mph9 km/h South | Mostly Clear | |
| 3am | 49°F9°C | 7 mph11 km/h South | Mostly Clear | |
| 4am | 48°F9°C | 7 mph11 km/h South | Clear | |
| 5am | 48°F9°C | 7 mph12 km/h South | Clear | |
| 6am | 47°F8°C | 7 mph12 km/h South | Partly Cloudy | |
| 7am | 48°F9°C | 8 mph13 km/h South | Mostly Cloudy | |
| 8am | 50°F10°C | 9 mph15 km/h South | Mostly Cloudy | |
| 9am | 53°F12°C | 11 mph17 km/h South | Mostly Cloudy | |
| 10am | 57°F14°C | 13 mph21 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 27 | 36°F2°C | 64°F18°C | 5 mph9 km/h from Southeast | Mostly Clear | Mostly Clear |
| April 28 | 47°F8°C | 79°F26°C | 16 mph26 km/h from South | Windy | Heavy Rain |
| April 29 | 43°F6°C | 69°F21°C | 18 mph29 km/h from West | Windy | Mostly Clear |
| April 30 | 38°F4°C | 59°F15°C | 9 mph15 km/h from Southeast | Mostly Cloudy | Rain |
| May 1 | 45°F7°C | 58°F14°C | 6 mph10 km/h from Northeast | Rain | Rain |
| May 2 | 41°F5°C | 56°F13°C | 11 mph18 km/h from Northwest | Rain | Partly Cloudy |
| May 3 | 37°F3°C | 58°F15°C | 7 mph11 km/h from West | Mostly Cloudy | Mostly Clear |
Yes
Low of 47°F9°C, High of 80°F27°CWind: 16 mph26 km/h
Precipitation: 27% rain