| Country: | United States |
|---|---|
| State: | Colorado (CO) |
| Lat/Long: | 40°01'N / 105°16'W |
| Elevation: | 1623 m |
| Currency: | United States Dollar (USD) |
| Languages: | English |
| Country Code: | +1 |
°F
Weather
39 °F
Scattered clouds.
54 / 37 °F
| Wed 10. |  | 55 / 33 °F |
| Thu 11. | | 59 / 44 °F |
Weather by CustomWeather, © 2025
More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information
Solar Noon
Sun in South: 11:53 am
Altitude: 27.1°
Altitude: 27.1°
Astronomical
Twilight
5:34 am – 6:07 am
5:39 pm – 6:12 pm
5:39 pm – 6:12 pm
Nautical
Twilight
6:07 am – 6:41 am
5:06 pm – 5:39 pm
5:06 pm – 5:39 pm
Civil
Twilight
6:41 am – 7:11 am
4:35 pm – 5:06 pm
4:35 pm – 5:06 pm
Previous
Moon Phase
Full Moon
December 4, 2025
4:14 pm
December 4, 2025
4:14 pm
Next
Moon Phase
Third Quarter
December 11, 2025
1:51 pm
December 11, 2025
1:51 pm
Tools & Converters
Airports
- Denver International Airport, DEN
About 33 mi ESE of Boulder - Colorado Springs Airport, COS
About 89 mi SSE of Boulder
Boulder
USA
11:0400am
Tuesday, December 9, 2025