| 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: Mar 31, César Chávez Day. Businesses may be closed. See more
°F
Weather
43 °F
Light rain. Overcast.
61 / 37 °F
| Sun 30. |  | 47 / 35 °F |
| Mon 31. | | 62 / 30 °F |
Weather by CustomWeather, © 2025
More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information
Solar Noon
Sun in South: 1:05 pm
Altitude: 53.7°
Altitude: 53.7°
Astronomical
Twilight
5:17 am – 5:50 am
8:22 pm – 8:55 pm
8:22 pm – 8:55 pm
Nautical
Twilight
5:50 am – 6:22 am
7:49 pm – 8:22 pm
7:49 pm – 8:22 pm
Civil
Twilight
6:22 am – 6:49 am
7:22 pm – 7:49 pm
7:22 pm – 7:49 pm
Previous
Moon Phase
New Moon
March 29, 2025
4:57 am
March 29, 2025
4:57 am
Next
Moon Phase
First Quarter
April 4, 2025
8:14 pm
April 4, 2025
8:14 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
5:0937am
Saturday, March 29, 2025