No
you don't need a jacket based on the weather in Boulder, CO, USA 1 second ago
84°F29°C & Cloudy
Wind is 9 mph15 km/h from the South, gusting to 18 mph29 km/h
| July 25 | ||||
| 9pm | 83°F28°C | 10 mph16 km/h South | Mostly Cloudy | |
| 10pm | 79°F26°C | 6 mph10 km/h South | Mostly Clear | |
| 11pm | 74°F23°C | 11 mph17 km/h South | Cloudy | |
| July 26 | ||||
| 12am | 74°F23°C | 8 mph14 km/h Southwest | Mostly Cloudy | |
| 1am | 72°F22°C | 9 mph14 km/h Southwest | Clear | |
| 2am | 69°F20°C | 6 mph10 km/h South | Clear | |
| 3am | 67°F20°C | 4 mph6 km/h Southwest | Clear | |
| 4am | 66°F19°C | 7 mph11 km/h West | Clear | |
| 5am | 66°F19°C | 8 mph13 km/h West | Clear | |
| 6am | 66°F19°C | 7 mph11 km/h West | Clear | |
| 7am | 65°F18°C | 7 mph10 km/h West | Clear | |
| 8am | 66°F19°C | 6 mph10 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 25 | 58°F14°C | 89°F32°C | 5 mph7 km/h from East | Mostly Clear | Mostly Clear |
| July 26 | 65°F18°C | 88°F31°C | 5 mph8 km/h from South | Partly Cloudy | Mostly Clear |
| July 27 | 67°F19°C | 92°F33°C | 6 mph10 km/h from Southeast | Partly Cloudy | Mostly Clear |
| July 28 | 69°F20°C | 93°F34°C | 6 mph9 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| July 29 | 66°F19°C | 88°F31°C | 7 mph11 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| July 30 | 59°F15°C | 77°F25°C | 5 mph8 km/h from Northeast | Rain | Rain |
| July 31 | 58°F15°C | 71°F22°C | 4 mph7 km/h from East | Mostly Cloudy | Rain |
No
Low of 65°F19°C, High of 88°F31°CWind: 5 mph8 km/h
Precipitation: None