Yes

you do need a jacket based on the weather in Mankato, MN, USA 1 second ago

Why? Because it's bitterly cold.
33°F0°C & Mostly Cloudy

Wind is 14 mph22 km/h from the NW, gusting to 25 mph40 km/h
April 20
9am33°F0°C14 mph23 km/h NWMostly Cloudy
10am34°F1°C16 mph25 km/h NWWindy
11am36°F2°C16 mph25 km/h NWWindy
12pm39°F4°C15 mph24 km/h NWWindy
1pm41°F5°C15 mph24 km/h NWCloudy
2pm43°F6°C15 mph24 km/h NWMostly Cloudy
3pm46°F8°C15 mph24 km/h NWPartly Cloudy
4pm48°F9°C15 mph24 km/h NWPartly Cloudy
5pm49°F9°C15 mph23 km/h NWPartly Cloudy
6pm49°F10°C14 mph23 km/h NWPartly Cloudy
7pm49°F9°C13 mph21 km/h NWPartly Cloudy
8pm47°F8°C11 mph18 km/h NWMostly Cloudy
DateLowHighWindDayNight
April 2031°F-0°C49°F10°C14 mph23 km/h from NWMostly CloudyMostly Clear
April 2131°F-0°C61°F16°C11 mph17 km/h from WClearMostly Clear
April 2238°F3°C66°F19°C16 mph27 km/h from SWindyPartly Cloudy
April 2343°F6°C62°F17°C17 mph28 km/h from NWWindyMostly Clear
April 2437°F3°C62°F16°C6 mph10 km/h from SEMostly ClearPartly Cloudy
April 2544°F7°C68°F20°C15 mph24 km/h from SEWindyRain
April 2651°F11°C65°F18°C17 mph28 km/h from SERainRain

Yes

Low of 31°F-1°C, High of 61°F16°C
Wind: 11 mph17 km/h
Precipitation: None

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