Mc Cullough Airport Weather Forecast

    • 49
    • 78

    Thunderstorms Likely

    • 48
    • 78

    Thunderstorms Likely

    • 47
    • 78

    Chance Thunderstorms

    • 46
    • 81

    Slight Chance Thunderstorms

    • 48
    • 83

    Mostly Sunny

    • 49
    • 85

    Slight Chance Thunderstorms

Today 22 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly sunny in the morning then becoming mostly cloudy. Thunderstorms likely. Highs 75 to 82. Light Winds becoming southwest around 10 Mph in the afternoon. Chance of precipitation 60 percent.

Tonight 22 Jul Alamosa Vicinity/Central San Luis Valley Below 8500 Ft

Mostly cloudy. A 40 percent chance of Thunderstorms until midnight. Lows near 50. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mc Cullough Airport Temperature Statistics

July Temperature

San Luis Valley Regional Airport (16.8 miles)

  • Lowest 8 July, 2025

    40.6 °F

  • Average July

    66.3 °F

  • Highest 9 July, 2025

    90.6 °F

Climate (2020–Present)

San Luis Valley Regional Airport (16.8 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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