Alamosa National Wildlife Refuge Weather Forecast

    • 38
    • 71

    Mostly Sunny

    • 42
    • 74

    Slight Chance Thunderstorms

    • 40
    • 72

    Slight Chance Thunderstorms

    • 40
    • 73

    Mostly Sunny

    • 37
    • 73

    Slight Chance Thunderstorms

    • 37
    • 74

    Mostly Sunny

Today 18 Sep Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Sunny. Highs near 70. Light Winds becoming east up to 10 Mph in the afternoon.

Tonight 18 Sep Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Partly cloudy. Lows 37 to 42. Southeast Winds up to 10 Mph.

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Alamosa National Wildlife Refuge Temperature Statistics

September Temperature

San Luis Valley Regional Airport (6.2 miles)

  • Lowest 14 September, 2025

    34 °F

  • Average September

    57.3 °F

  • Highest 2 September, 2025

    81 °F

Climate (2020–Present)

San Luis Valley Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    26.4 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    62.4 °F
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