Yes
you do need a jacket based on the weather in Boulder, CO, USA 1 second ago
Why? Because there's a refreshing nip in the air!
45°F7°C & Mostly Clear
Wind is 6 mph10 km/h from the Southeast, gusting to 12 mph19 km/h
| October 28 | ||||
| 3am | 43°F6°C | 3 mph6 km/h North | Clear | |
| 4am | 41°F5°C | 4 mph7 km/h North | Clear | |
| 5am | 39°F4°C | 5 mph9 km/h Northeast | Clear | |
| 6am | 36°F2°C | 4 mph7 km/h North | Clear | |
| 7am | 33°F1°C | 7 mph11 km/h Northwest | Clear | |
| 8am | 32°F-0°C | 7 mph11 km/h Northwest | Clear | |
| 9am | 32°F0°C | 6 mph10 km/h Northwest | Clear | |
| 10am | 31°F-1°C | 4 mph7 km/h West | Clear | |
| 11am | 30°F-1°C | 4 mph7 km/h West | Clear | |
| 12pm | 29°F-1°C | 5 mph8 km/h West | Clear | |
| 1pm | 30°F-1°C | 5 mph8 km/h Southwest | Clear | |
| 2pm | 30°F-1°C | 5 mph8 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 27 | 36°F2°C | 59°F15°C | 4 mph6 km/h from Northeast | Partly Cloudy | Clear |
| October 28 | 29°F-1°C | 50°F10°C | 5 mph8 km/h from Northeast | Clear | Clear |
| October 29 | 27°F-3°C | 57°F14°C | 4 mph6 km/h from Southeast | Clear | Partly Cloudy |
| October 30 | 37°F3°C | 55°F13°C | 5 mph8 km/h from Southeast | Clear | Partly Cloudy |
| October 31 | 33°F1°C | 51°F11°C | 3 mph5 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| November 1 | 34°F1°C | 62°F17°C | 4 mph7 km/h from West | Mostly Clear | Clear |
| November 2 | 50°F10°C | 72°F22°C | 10 mph16 km/h from West | Clear | Mostly Clear |
Yes
Low of 29°F-2°C, High of 50°F10°CWind: 5 mph8 km/h
Precipitation: None