Yes

you do need a jacket based on the weather in Janesville, WI, USA 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
33°F0°C & Partly Cloudy

Wind is 4 mph6 km/h from the East, gusting to 7 mph12 km/h
October 25
12pm33°F1°C4 mph6 km/h EastMostly Cloudy
1pm35°F2°C3 mph5 km/h EastMostly Cloudy
2pm39°F4°C4 mph6 km/h SoutheastCloudy
3pm43°F6°C6 mph9 km/h SoutheastMostly Cloudy
4pm47°F8°C6 mph10 km/h SoutheastCloudy
5pm50°F10°C7 mph11 km/h SoutheastCloudy
6pm52°F11°C8 mph12 km/h SoutheastMostly Cloudy
7pm53°F12°C8 mph13 km/h SoutheastMostly Cloudy
8pm53°F12°C8 mph13 km/h SoutheastMostly Cloudy
9pm53°F12°C8 mph13 km/h EastMostly Cloudy
10pm51°F11°C7 mph12 km/h EastCloudy
11pm50°F10°C7 mph11 km/h EastMostly Cloudy
DateLowHighWindDayNight
October 2532°F0°C53°F12°C6 mph10 km/h from SoutheastMostly CloudyMostly Clear
October 2638°F3°C59°F15°C10 mph16 km/h from EastClearClear
October 2740°F4°C56°F13°C12 mph19 km/h from EastPartly CloudyMostly Cloudy
October 2841°F5°C56°F13°C12 mph19 km/h from EastDrizzleMostly Cloudy
October 2941°F5°C52°F11°C13 mph21 km/h from NortheastMostly CloudyPartly Cloudy
October 3038°F3°C51°F11°C8 mph13 km/h from NorthwestMostly CloudyMostly Cloudy
October 3138°F3°C53°F11°C11 mph17 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 38°F4°C, High of 59°F15°C
Wind: 10 mph16 km/h
Precipitation: None

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