Yes
you do need a jacket based on the weather in Boulder, CO 80303, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Mostly Clear
Wind is 2 mph4 km/h from the West, gusting to 4 mph7 km/h
| August 28 | ||||
| 7am | 57°F14°C | 3 mph4 km/h West | Mostly Clear | |
| 8am | 56°F14°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 9am | 57°F14°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 10am | 60°F16°C | 2 mph3 km/h Southwest | Partly Cloudy | |
| 11am | 64°F18°C | 2 mph4 km/h Northeast | Partly Cloudy | |
| 12pm | 67°F19°C | 3 mph4 km/h Northeast | Mostly Cloudy | |
| 1pm | 70°F21°C | 3 mph5 km/h East | Mostly Cloudy | |
| 2pm | 72°F22°C | 4 mph7 km/h East | Partly Cloudy | |
| 3pm | 74°F23°C | 4 mph6 km/h East | Partly Cloudy | |
| 4pm | 75°F24°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 5pm | 76°F24°C | 4 mph7 km/h South | Mostly Cloudy | |
| 6pm | 74°F23°C | 6 mph10 km/h Southeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 28 | 56°F13°C | 76°F24°C | 4 mph6 km/h from East | Partly Cloudy | Partly Cloudy |
| August 29 | 57°F14°C | 75°F24°C | 4 mph6 km/h from East | Mostly Cloudy | Partly Cloudy |
| August 30 | 57°F14°C | 73°F23°C | 4 mph7 km/h from Northeast | Partly Cloudy | Mostly Clear |
| August 31 | 54°F12°C | 76°F25°C | 4 mph7 km/h from East | Mostly Clear | Clear |
| September 1 | 55°F13°C | 78°F25°C | 4 mph7 km/h from Northeast | Clear | Clear |
| September 2 | 56°F13°C | 79°F26°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 3 | 58°F14°C | 72°F22°C | 5 mph8 km/h from Northeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 57°F14°C, High of 75°F24°CWind: 4 mph6 km/h
Precipitation: 18% rain