National park in Colorado

Great Sand Dunes National Park Weather Forecast

Great Sand Dunes National Park weather: 56°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

🌙 56°F now🕔 3:31 PM local📅 Best: June, July, August and September

Summary

Great Sand Dunes National Park is a national park in Colorado. Great Sand Dunes National Park is a US national park known for the tallest dunes in North America.

Right now it is 56°F (14°C) in Great Sand Dunes National Park with clear. It feels like 49°F. Today runs from 39°F to 69°F. Chance of precipitation is 0%. Sightseeing conditions score 9.3/10 - excellent - go now.

The best time to visit Great Sand Dunes National Park is June, July, August and September. The climate is semi-arid. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 81°F, while January is the coldest with lows near 12°F.

The closest major airport is Denver International Airport (DEN), about 151 mi away. Nearby highlights include Pikes Peak, Garden of the Gods, Black Canyon of the Gunnison National Park and Hanging Lake.

In plain terms. Today is warmer than average for October. The forecast high of 69°F is 7.7°F above the 61°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Great Sand Dunes National Park today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Great Sand Dunes National Park

⚠️Flood Watch · Severe
Flood Watch issued September 30 at 3:25PM MDT until October 1 at 6:00AM MDT by NWS Pueblo CO
Issued by NWS Pueblo CO

Weather in Great Sand Dunes National Park right now

🌙
56°F
Clear · feels like 49°F
Humidity38%
Wind8 mph ENE
Gusts9 mph
UV index0 · Low
Cloud cover0%
Pressure767 hPa
VisibilityGood · 11 mi
Air quality52 · Moderate
Sunrise6:59 AM
Sunset6:43 PM
Moon🌗 Last quarter · 55%

Source: Open-Meteo. Updated 3:31 PM, Oct 3 local time.

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

9 PM🌙56°0%8 mph
10 PM🌙57°0%6 mph
11 PM🌙54°0%0 mph
12 AM🌙52°0%7 mph
1 AM🌙52°0%5 mph
2 AM🌙48°0%2 mph
3 AM🌙46°0%6 mph
4 AM🌙45°0%7 mph
5 AM🌙45°0%7 mph
6 AM🌙45°0%6 mph
7 AM☀️44°0%5 mph
8 AM☀️46°0%4 mph
9 AM☀️51°0%2 mph
10 AM☀️54°0%3 mph
11 AM☀️58°0%3 mph
12 PM☀️64°0%5 mph
1 PM☀️68°0%6 mph
2 PM☀️72°0%4 mph
3 PM☀️75°1%9 mph
4 PM☀️73°1%14 mph
5 PM☁️71°1%15 mph
6 PM🌤️67°1%16 mph
7 PM🌙62°1%19 mph
8 PM☁️60°1%21 mph

16-day forecast for Great Sand Dunes National Park

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Fri, Oct 2⛅ Partly cloudy69° / 39°0%11 mph7
Sat, Oct 3☁️ Overcast75° / 44°1%21 mph7
Sun, Oct 4☁️ Overcast71° / 49°1%22 mph6
Mon, Oct 5🌤️ Mainly clear70° / 50°1%7 mph6
Tue, Oct 6☁️ Overcast71° / 51°19%15 mph6
Wed, Oct 7☁️ Overcast70° / 49°19%5 mph6
Thu, Oct 8☀️ Clear sky69° / 51°4%6 mph6
Fri, Oct 9🌤️ Mainly clear69° / 52°1%6 mph6
Sat, Oct 10☁️ Overcast69° / 52°6%6 mph6
Sun, Oct 11☁️ Overcast67° / 51°21%6 mph6
Mon, Oct 12☁️ Overcast67° / 50°21%11 mph6
Tue, Oct 13🌤️ Mainly clear65° / 50°19%5 mph6
Wed, Oct 14☀️ Clear sky67° / 48°3%5 mph6
Thu, Oct 15☀️ Clear sky68° / 48°10%12 mph6
Fri, Oct 16☀️ Clear sky65° / 47°10%10 mph6
Sat, Oct 17☁️ Overcast63° / 44°11%8 mph6

Climate in Great Sand Dunes National Park month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January31°12°0,6 in★★☆☆☆
February41°22°0,6 in★★★☆☆
March51°28°0,7 in★★★☆☆
April57°32°0,6 in★★★★☆
May64°39°1,6 in★★★★☆
June79°52°1,1 in★★★★★
July81°55°1,0 in★★★★★
August80°55°0,9 in★★★★★
September72°48°0,7 in★★★★★
October61°38°1,0 in★★★★☆
November44°26°0,9 in★★★☆☆
December36°19°0,6 in★★☆☆☆

Climate type: Semi-arid. Source: Open-Meteo archive (ERA5).

Weather map for Great Sand Dunes National Park

Animated model layers. Pick a layer to load it.

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Great Sand Dunes National Park

52
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.53.6 µg/m³
PM104 µg/m³
Ozone67 µg/m³
NO₂7.5 µg/m³
UV index0 · Low
Airborne hazeClear air

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise6:59 AM
Sunset6:43 PM
Daylight11h 44m
Solar noon12:51 PM
Golden hour (am)6:59 AM - 7:59 AM
Golden hour (pm)5:43 PM - 6:43 PM
Blue hour (am)6:29 AM - 6:59 AM
Blue hour (pm)6:43 PM - 7:13 PM
Moon phase🌗 Last quarter · 55%
Moonrise--
Moonset2:55 PM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Great Sand Dunes National Park

Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★★☆☆
March★★★☆☆
April★★★★☆
May★★★★☆
June★★★★★
July★★★★★
August★★★★★
September★★★★★
October★★★★☆
November★★★☆☆
December★★☆☆☆

Explore Great Sand Dunes National Park

Every topic we hold for this place, and the same topic for the places around it.

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Frequently asked questions

Where is Great Sand Dunes National Park?

Great Sand Dunes National Park is a national park in Colorado. Its coordinates are 37.7916, -105.5943. It lies in North America.

What is the weather like in Great Sand Dunes National Park right now?

It is currently 56°F (14°C) with clear. Humidity is 38% and wind is 8 mph.

When is the best time to visit Great Sand Dunes National Park?

June, July, August and September offer the most comfortable conditions in Great Sand Dunes National Park, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Great Sand Dunes National Park in?

Great Sand Dunes National Park observes America/Denver (UTC-06:00). The local time is 3:31 PM.

What is the nearest airport to Great Sand Dunes National Park?

The closest airports are Denver International Airport (DEN), 151 mi away.

What are the top things to do in Great Sand Dunes National Park?

Popular options include Pikes Peak, Garden of the Gods, Black Canyon of the Gunnison National Park, Hanging Lake, Mesa Verde (UNESCO World Heritage Site) and Mesa Verde National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated October 3, 2026 at 3:31 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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