Alamosa Weather Forecast

    • 55
    • 90

    Chance Thunderstorms

    • 53
    • 86

    Chance Thunderstorms

    • 52
    • 85

    Thunderstorms Likely

    • 53
    • 84

    Chance Thunderstorms

    • 53
    • 86

    Chance Thunderstorms

    • 53
    • 87

    Chance Thunderstorms

Today 21 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly sunny. A 10 percent chance of Thunderstorms in the afternoon. Highs 85 to 90. East Winds 10 to 15 Mph.

Tonight 21 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy. A 20 percent chance of Thunderstorms until midnight. Lows 52 to 61. Southeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Alamosa Temperature Statistics

July Temperature

San Luis Valley Regional Airport (1.9 miles)

  • Lowest 3 July, 2026

    34.6 °F

  • Average July

    65.8 °F

  • Highest 9 July, 2026

    90.6 °F

Climate (2021–2026)

San Luis Valley Regional Airport (1.9 miles)

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  • Average Low 2021–2026

    26.7 °F

  • Average 2021–2026

    45.1 °F

  • Average High 2021–2026

    63.3 °F
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