GoldCast · Boulder, CO

Sunset Tonight in Boulder


Reading tonight's sky for Boulder
/ 100
Sunset
Golden hour

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Sky coverage
Atmosphere
Horizon clarity



Frequently asked
Will the sunset be good tonight in Boulder?
The live score above pulls today's forecast and runs it through GoldCast's scoring model. Above 70 is worth going out. Below 40, stay home. The score updates daily.
What makes a good sunset in Boulder?
Boulder's Flatirons create one of the best natural sunset backdrops in Colorado. The rock faces catch alpenglow in the last minutes before dark, turning deep orange against the sky. Post-front evenings in fall are the standout nights: cold air, low humidity, and a clear western horizon behind the ridgeline. Chautauqua Park puts you right at the base of the Flatirons with an unobstructed view.
What time is sunset in Boulder tonight?
Boulder sunset ranges from around 4:35 PM in December to 8:30 PM in June. Tonight's exact time is shown in the score card above, updated daily from live weather data.