| 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 |
Holiday Note: May 26, Memorial Day. Businesses may be closed. See more
°F
Weather
73 °F
Scattered clouds.
85 / 49 °F
| Sat 24. |  | 70 / 51 °F |
| Sun 25. |  | 62 / 50 °F |
Weather by CustomWeather, © 2025
More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information
Solar Noon
Sun in South: 12:57 pm
Altitude: 70.7°
Altitude: 70.7°
Astronomical
Twilight
3:44 am – 4:28 am
9:28 pm – 10:12 pm
9:28 pm – 10:12 pm
Nautical
Twilight
4:28 am – 5:07 am
8:48 pm – 9:28 pm
8:48 pm – 9:28 pm
Civil
Twilight
5:07 am – 5:39 am
8:17 pm – 8:48 pm
8:17 pm – 8:48 pm
Previous
Moon Phase
Third Quarter
May 20, 2025
5:58 am
May 20, 2025
5:58 am
Next
Moon Phase
New Moon
May 26, 2025
9:02 pm
May 26, 2025
9:02 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
2:0833pm
Friday, May 23, 2025