Yes
you do need a jacket based on the weather in Waukesha, WI, USA 1 second ago
Why? Because it's not very warm out.
55°F13°C & Clear
Wind is 10 mph16 km/h from the SE, gusting to 15 mph24 km/h
| April 25 | ||||
| 6pm | 55°F13°C | 10 mph16 km/h SE | Clear | |
| 7pm | 53°F12°C | 9 mph15 km/h SE | Clear | |
| 8pm | 50°F10°C | 8 mph13 km/h E | Mostly Clear | |
| 9pm | 46°F8°C | 7 mph11 km/h E | Clear | |
| 10pm | 43°F6°C | 6 mph10 km/h E | Clear | |
| 11pm | 41°F5°C | 6 mph10 km/h E | Clear | |
| April 26 | ||||
| 12am | 39°F4°C | 6 mph9 km/h E | Clear | |
| 1am | 38°F4°C | 6 mph10 km/h E | Mostly Clear | |
| 2am | 38°F3°C | 6 mph10 km/h E | Partly Cloudy | |
| 3am | 37°F3°C | 7 mph11 km/h E | Mostly Clear | |
| 4am | 38°F3°C | 8 mph13 km/h SE | Mostly Cloudy | |
| 5am | 38°F3°C | 8 mph13 km/h SE | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 29°F-2°C | 57°F14°C | 6 mph9 km/h from SE | Clear | Mostly Clear |
| April 26 | 37°F3°C | 57°F14°C | 16 mph26 km/h from SE | Rain | Rain |
| April 27 | 53°F12°C | 78°F26°C | 21 mph33 km/h from SW | Windy | Rain |
| April 28 | 54°F12°C | 69°F21°C | 10 mph16 km/h from E | Rain | Rain |
| April 29 | 54°F12°C | 71°F22°C | 16 mph26 km/h from SW | Windy | Partly Cloudy |
| April 30 | 47°F8°C | 71°F21°C | 9 mph15 km/h from SW | Partly Cloudy | Drizzle |
| May 1 | 51°F11°C | 72°F22°C | 12 mph19 km/h from W | Mostly Clear | Partly Cloudy |
Yes
Low of 37°F3°C, High of 57°F14°CWind: 16 mph26 km/h
Precipitation: 41% rain