What time is sunset in Casper today?

Sunset in Casper is at 6:35 PM local time (America/Denver) on 2026-10-07.

What phase is the Moon tonight in Casper?

The Moon is a Waning Crescent and about 9% illuminated.

Astronomical twilight ends at 8:09 PM local time, so the sky is fully dark from then until 5:36 AM.

Moonrise in Casper is at 3:48 AM and moonset is at 5:11 PM local time.

The aurora is possible from Casper if the sky is dark and clear; planetary Kp is 2.7.

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Kp2.7

Solar wind346 km/s

X-rayC1.2

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Denver · 42.87°N, 106.31°W

Event	Time
Sunrise	7:09 AM
Sunset	6:35 PM
Day length	11 h 26 min
End of civil twilight	7:04 PM
End of nautical twilight	7:36 PM
End of astronomical twilight	8:09 PM
Night length (sunset to sunrise)	12 h 35 min
Fully dark sky tonight	9 h 27 min
Astronomical twilight starts (morning)	5:36 AM

Moonrise	3:48 AM
Moonset	5:11 PM
Illumination	9.4%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.44°N, 132.79°W
Sublunar point ground speed	1,602 km/h

Moon values are for the moment this page was generated (18:25 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	9:24 AM	7:20 PM	2:23 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	9:34 AM	6:49 PM	2:11 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	1:10 AM	3:54 PM	8:32 AM	Visible about 5 h after dark, highest 56° toward the SE.
Jupiter (mag -1.9)	2:32 AM	4:33 PM	9:33 AM	Visible about 3.8 h after dark, highest 43° toward the SE.
Saturn (mag 0.2)	6:33 PM	6:55 AM	12:46 AM	Visible about 11.5 h after dark, highest 49° toward the S.

Aurora possible

Casper is far enough from the equator for aurora. Planetary Kp is 2.7. Seeing it still needs a dark, clear sky.

NOAA SWPC OVATION model. Full aurora forecast