Alamosa Weather Forecast

    • 43
    • 75

    Slight Chance Thunderstorms

    • 41
    • 76

    Slight Chance Thunderstorms

    • 41
    • 78

    Slight Chance Thunderstorms

    • 42
    • 78

    Slight Chance Thunderstorms

    • 43
    • 78

    Slight Chance Thunderstorms

    • 42
    • 78

    Slight Chance Thunderstorms

    • 42
    • 78

    Slight Chance Thunderstorms

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

Mostly sunny with a 20 percent chance of Thunderstorms. Highs in the lower to mid 70s. Light Winds becoming north up to 10 Mph in the afternoon.

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

Partly cloudy. Lows 42 to 47. East Winds up to 10 Mph becoming northwest after midnight. Chance of precipitation 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alamosa Temperature Statistics

August Temperature

San Luis Valley Regional Airport (1.9 miles)

  • Lowest 3 August, 2025

    39.7 °F

  • Average August

    66.3 °F

  • Highest 7 August, 2025

    91.7 °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

    62.4 °F
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