Yes
you do need a jacket based on the weather in Boulder, CO 80303, USA 1 second ago
Why? Because it's pretty chilly.
54°F12°C & Partly Cloudy
Wind is 4 mph6 km/h from the W, gusting to 7 mph12 km/h
| April 25 | ||||
| 3am | 53°F12°C | 5 mph9 km/h W | Clear | |
| 4am | 50°F10°C | 4 mph7 km/h W | Clear | |
| 5am | 48°F9°C | 4 mph7 km/h W | Clear | |
| 6am | 47°F8°C | 4 mph7 km/h W | Clear | |
| 7am | 46°F8°C | 4 mph7 km/h W | Clear | |
| 8am | 45°F7°C | 5 mph8 km/h SW | Clear | |
| 9am | 48°F9°C | 5 mph8 km/h SW | Clear | |
| 10am | 53°F12°C | 3 mph5 km/h SW | Clear | |
| 11am | 59°F15°C | 2 mph3 km/h S | Clear | |
| 12pm | 64°F18°C | 2 mph3 km/h E | Clear | |
| 1pm | 69°F21°C | 3 mph5 km/h E | Clear | |
| 2pm | 72°F22°C | 5 mph8 km/h E | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 45°F7°C | 74°F23°C | 6 mph10 km/h from N | Partly Cloudy | Cloudy |
| April 26 | 45°F7°C | 68°F20°C | 10 mph17 km/h from NW | Mostly Cloudy | Rain |
| April 27 | 40°F4°C | 49°F9°C | 8 mph12 km/h from N | Rain | Rain |
| April 28 | 37°F3°C | 57°F14°C | 4 mph7 km/h from E | Mostly Cloudy | Mostly Clear |
| April 29 | 39°F4°C | 69°F21°C | 7 mph11 km/h from W | Mostly Clear | Mostly Clear |
| April 30 | 46°F8°C | 73°F23°C | 5 mph8 km/h from SE | Mostly Clear | Partly Cloudy |
| May 1 | 47°F8°C | 75°F24°C | 6 mph9 km/h from NE | Partly Cloudy | Mostly Clear |
Yes
Low of 45°F7°C, High of 68°F20°CWind: 10 mph17 km/h
Precipitation: 15% rain