Great Sand Dunes National Park Weather Forecast

    • 29
    • 64

    Increasing Clouds

    • 40
    • 66

    Increasing Clouds

    • 28
    • 59

    Mostly Cloudy

    • 34
    • 62

    Partly Sunny

    • 33
    • 62

    Slight Chance Thunderstorms

    • 37
    • 65

    Slight Chance Thunderstorms

    • 39
    • 67

    Partly Sunny

Today 23 Apr Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly sunny with a 20 percent chance of Thunderstorms. Highs in the mid to upper 60s. Southwest Winds up to 10 Mph becoming west in the afternoon.

Tonight 23 Apr Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy. Lows 35 to 40. Southwest Winds up to 10 Mph.

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Great Sand Dunes National Park Temperature Statistics

April Temperature

San Luis Valley Regional Airport (23 miles)

  • Lowest 4 April, 2018

    15.1 °F
  • Average April

    46.4 °F
  • Highest 11 April, 2018

    71.1 °F

Climate (2010–Present)

San Luis Valley Regional Airport (23 miles)

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  • Average Low 2010–Present

    26.5 °F
  • Average 2010–Present

    43.8 °F
  • Average High 2010–Present

    59.7 °F
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