No
you don't need a jacket based on the weather in Janesville, WI, USA 1 second ago
63°F17°C & Clear
Wind is 7 mph12 km/h from the Southeast, gusting to 16 mph26 km/h
| May 15 | ||||
| 4am | 63°F17°C | 8 mph12 km/h Southeast | Clear | |
| 5am | 63°F17°C | 7 mph12 km/h Southeast | Clear | |
| 6am | 62°F17°C | 7 mph11 km/h Southeast | Clear | |
| 7am | 62°F17°C | 9 mph14 km/h Southeast | Mostly Clear | |
| 8am | 65°F18°C | 9 mph15 km/h Southeast | Mostly Cloudy | |
| 9am | 69°F21°C | 10 mph17 km/h Southeast | Mostly Clear | |
| 10am | 73°F23°C | 11 mph18 km/h Southeast | Mostly Cloudy | |
| 11am | 75°F24°C | 13 mph22 km/h Southeast | Partly Cloudy | |
| 12pm | 79°F26°C | 16 mph26 km/h Southeast | Windy | |
| 1pm | 81°F27°C | 17 mph28 km/h South | Windy | |
| 2pm | 83°F29°C | 18 mph29 km/h South | Windy | |
| 3pm | 86°F30°C | 18 mph30 km/h South | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 62°F17°C | 88°F31°C | 16 mph25 km/h from South | Windy | Clear |
| May 16 | 56°F13°C | 80°F27°C | 18 mph29 km/h from Southwest | Windy | Mostly Cloudy |
| May 17 | 51°F11°C | 64°F18°C | 19 mph30 km/h from West | Windy | Partly Cloudy |
| May 18 | 47°F8°C | 69°F21°C | 7 mph11 km/h from North | Partly Cloudy | Mostly Clear |
| May 19 | 42°F6°C | 64°F18°C | 13 mph21 km/h from East | Mostly Cloudy | Mostly Cloudy |
| May 20 | 49°F9°C | 57°F14°C | 16 mph25 km/h from East | Rain | Drizzle |
| May 21 | 48°F9°C | 58°F15°C | 17 mph27 km/h from Northeast | Rain | Rain |
Yes
Low of 56°F14°C, High of 80°F27°CWind: 18 mph29 km/h
Precipitation: 28% rain