No

you don't need a jacket based on the weather in Denver (Southeast), Colorado, United States 1 second ago

69°F20°C & Mostly Clear

Wind is 6 mph10 km/h from the Northwest, gusting to 11 mph18 km/h
September 16
1pm71°F22°C8 mph12 km/h NorthMostly Clear
2pm74°F23°C9 mph14 km/h NorthMostly Clear
3pm76°F24°C9 mph14 km/h NortheastPartly Cloudy
4pm78°F25°C10 mph16 km/h NortheastPartly Cloudy
5pm78°F25°C11 mph18 km/h NorthMostly Cloudy
6pm76°F25°C7 mph12 km/h NorthMostly Cloudy
7pm72°F22°C9 mph15 km/h NorthwestCloudy
8pm68°F20°C10 mph16 km/h SoutheastRain
9pm64°F18°C9 mph15 km/h SouthwestMostly Cloudy
10pm62°F17°C6 mph10 km/h WestDrizzle
11pm60°F16°C6 mph9 km/h SouthwestDrizzle
September 17
12am58°F15°C4 mph7 km/h NorthMostly Cloudy
DateLowHighWindDayNight
September 1655°F13°C78°F25°C8 mph12 km/h from NorthPartly CloudyPartly Cloudy
September 1750°F10°C70°F21°C5 mph8 km/h from NortheastPartly CloudyPartly Cloudy
September 1850°F10°C69°F21°C4 mph6 km/h from EastPartly CloudyClear
September 1949°F10°C77°F25°C4 mph7 km/h from SoutheastPartly CloudyPartly Cloudy
September 2053°F12°C80°F27°C4 mph6 km/h from WestMostly ClearPartly Cloudy
September 2156°F13°C82°F28°C7 mph11 km/h from NorthwestMostly ClearPartly Cloudy
September 2255°F13°C82°F28°C6 mph10 km/h from NorthClearClear

Yes

Low of 51°F11°C, High of 71°F22°C
Wind: 5 mph8 km/h
Precipitation: 19% rain

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