GoldCast · Great Sand Dunes, CO

Sunset Tonight in Great Sand Dunes


Reading tonight's sky
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/ 100
Get notified before good nights →
Sunset
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Golden hour
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What's in the score
Sky coverage
Atmosphere
Horizon clarity

GoldCast sunset forecast — LightCast Suite
LightCast
iOS App LightCast Suite
🌅 GoldCast — golden hour score & cloud forecast
🌌 StarCast — night sky & Milky Way visibility
🚁 DroneCast — wind & flight readiness
🌫️ FogCast — fog & mist forecasting
☁️ CloudCast — cloud cover & dramatic sky timing
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What GoldCast shows you

The app is more than the score. Get a full 7-day golden hour outlook, cloud layer timing, and a map of better light nearby. Set notification preferences so you can plan shoots days out, not just check tonight.

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Frequently asked
Will the sunset be good tonight in Great Sand Dunes?
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 Great Sand Dunes?
Great Sand Dunes National Park contains the tallest dunes in North America, rising up to 750 feet against the backdrop of the Sangre de Cristo Mountains. The sand holds and reflects warm light beautifully at golden hour, and the interplay of shadow and highlight across the dune ridges creates strong graphic patterns. The mountains behind the dunes catch alpenglow in pink and purple tones as the sun drops. The San Luis Valley's wide open western horizon means the color builds slowly and lasts.
What time is sunset in Great Sand Dunes tonight?
Great Sand Dunes sunset ranges from around 4:45 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.
Sunset tonight in other locations
What makes a good sunset?

GoldCast scores six atmospheric variables weighted by how much each one actually affects the light. A clear sky isn't always best.

High Cloud
20–80%
Cirrus clouds scatter warm light across the sky. Too little means a bare sky. Too much blocks everything.
Humidity
Under 50%
Low humidity keeps colors vivid and punchy. Above 80% produces milky, washed-out tones.
Horizon Cloud
Clear
Low cloud at the horizon blocks the sun at peak warmth. A small gap makes all the difference.
Post-Storm
Best skies
Rain clears the air and leaves textured cloud at altitude. Often the most dramatic light of the year.

Score guide
75–100
Epic
Rare. Multiple factors aligned. Don't miss it.
55–74
Great
Strong showing expected. Go if you can.
35–54
Decent
Modest but workable. Worth a short trip.
0–34
Flat
Uninspiring sky expected. Save your time.
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