No

you don't need a jacket based on the weather in Boulder, CO, USA 13 minutes ago

71°F22°C & Cloudy

Wind is 5 mph8 km/h from the Northeast, gusting to 9 mph14 km/h
August 24
3pm73°F23°C5 mph8 km/h NortheastMostly Cloudy
4pm75°F24°C5 mph9 km/h EastCloudy
5pm76°F25°C5 mph8 km/h NortheastCloudy
6pm78°F25°C5 mph7 km/h NortheastPartly Cloudy
7pm76°F25°C4 mph6 km/h EastCloudy
8pm74°F24°C3 mph6 km/h EastCloudy
9pm67°F20°C11 mph17 km/h NorthwestCloudy
10pm65°F19°C3 mph5 km/h NortheastThunderstorms
11pm64°F18°C3 mph5 km/h NorthCloudy
August 25
12am63°F17°C3 mph4 km/h SoutheastCloudy
1am63°F17°C3 mph5 km/h NorthwestCloudy
2am62°F17°C3 mph5 km/h NorthCloudy
DateLowHighWindDayNight
August 2457°F14°C78°F25°C4 mph7 km/h from NortheastMostly CloudyThunderstorms
August 2559°F15°C70°F21°C4 mph6 km/h from EastRainRain
August 2657°F14°C71°F22°C4 mph6 km/h from EastRainDrizzle
August 2758°F14°C74°F24°C4 mph7 km/h from EastMostly CloudyDrizzle
August 2857°F14°C72°F22°C4 mph7 km/h from EastRainRain
August 2957°F14°C72°F22°C3 mph5 km/h from EastPartly CloudyMostly Clear
August 3055°F13°C76°F24°C5 mph8 km/h from EastPartly CloudyMostly Clear

Yes

Low of 58°F15°C, High of 70°F21°C
Wind: 4 mph6 km/h
Precipitation: 39% rain

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