Alamosa Weather Forecast

    • 48
    • 84

    Partly Sunny

    • 49
    • 82

    Mostly Cloudy

    • 50
    • 83

    Chance Thunderstorms

    • 49
    • 82

    Chance Thunderstorms

    • 49
    • 82

    Chance Thunderstorms

    • 48
    • 84

    Slight Chance Thunderstorms

    • 49
    • 86

    Slight Chance Thunderstorms

Today 16 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly sunny with a 40 percent chance of Thunderstorms. Haze and Areas of smoke. Highs in the lower to mid 80s. Light Winds becoming northwest 10 to 15 Mph in the afternoon.

Tonight 16 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy early in the evening then becoming partly cloudy. A 30 percent chance of Thunderstorms. Haze and Areas of smoke. Lows 47 to 52. West Winds around 10 Mph becoming east up to 10 Mph after midnight.

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  • Temperature Forecast NOAA

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Alamosa Temperature Statistics

July Temperature

San Luis Valley Regional Airport (1.9 miles)

  • Lowest 8 July, 2025

    40.6 °F

  • Average July

    67 °F

  • Highest 9 July, 2025

    90.6 °F

Climate (2020–Present)

San Luis Valley Regional Airport (1.9 miles)

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  • Average Low 2020–2025

    26.3 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    62.3 °F
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