Great Sand Dunes National Park Weather Forecast

    • 33
    • 62

    Partly Sunny

    • 28
    • 60

    Rain Showers Likely

    • 30
    • 63

    Chance Rain Showers

    • 34
    • 67

    Chance Rain Showers

    • 35
    • 66

    Chance Thunderstorms

    • 32
    • 63

    Chance Rain/Snow

    • 32
    • 61

    Rain Showers Likely

Today 30 Apr Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Partly sunny. Near steady temperature 59 to 64. West Winds 10 to 15 Mph.

Tonight 30 Apr Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy early in the evening then becoming partly cloudy. Lows in the lower to mid 30s. West Winds 10 to 15 Mph until midnight becoming light. Chance of precipitation 10 percent.

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  • Temperature Real-Time

Great Sand Dunes National Park Temperature Statistics

April Temperature

San Luis Valley Regional Airport (23 miles)

  • Lowest 2 April, 2025

    8.9 °F

  • Average April

    44.8 °F

  • Highest 12 April, 2025

    79.6 °F

Climate (2020–Present)

San Luis Valley Regional Airport (23 miles)

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  • Average Low 2020–2025

    26.4 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    62.5 °F
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