Yes

you do need a jacket based on the weather in Aurora, CO, USA 1 second ago

Why? Because it's quite chilly.
33°F0°C & Cloudy

Wind is 9 mph14 km/h from the N, gusting to 14 mph23 km/h
April 18
7am33°F0°C9 mph14 km/h NCloudy
8am32°F-0°C8 mph13 km/h NCloudy
9am32°F0°C7 mph11 km/h NECloudy
10am33°F1°C7 mph11 km/h NECloudy
11am34°F1°C6 mph10 km/h NECloudy
12pm35°F2°C6 mph10 km/h NECloudy
1pm36°F2°C7 mph11 km/h NECloudy
2pm38°F3°C7 mph11 km/h ECloudy
3pm39°F4°C7 mph11 km/h ECloudy
4pm40°F5°C7 mph11 km/h ECloudy
5pm41°F5°C6 mph10 km/h ECloudy
6pm42°F6°C6 mph10 km/h ECloudy
DateLowHighWindDayNight
April 1832°F-0°C43°F6°C7 mph11 km/h from ECloudyCloudy
April 1935°F2°C51°F11°C8 mph13 km/h from NMostly CloudyFreezingrain
April 2032°F-0°C48°F9°C6 mph9 km/h from NCloudyMostly Cloudy
April 2136°F2°C69°F21°C3 mph5 km/h from SEPartly CloudyPartly Cloudy
April 2248°F9°C72°F22°C9 mph14 km/h from NEPartly CloudyPartly Cloudy
April 2341°F5°C58°F15°C6 mph10 km/h from EMostly CloudyMostly Clear
April 2443°F6°C73°F23°C6 mph10 km/h from SMostly ClearPartly Cloudy

Yes

Low of 35°F2°C, High of 51°F11°C
Wind: 8 mph13 km/h
Precipitation: 24% rain

Support This Page