Blanca Weather Forecast

    • 43
    • 72

    Slight Chance Thunderstorms

    • 41
    • 72

    Slight Chance Thunderstorms

    • 43
    • 69

    Slight Chance Thunderstorms

    • 45
    • 72

    Partly Sunny

    • 45
    • 74

    Slight Chance Thunderstorms

    • 44
    • 72

    Mostly Sunny

    • 44
    • 74

    Slight Chance Thunderstorms

Today 16 Sep Southern San Luis Valley

Mostly sunny with a 20 percent chance of Thunderstorms. Near steady temperature 70 to 75. Southwest Winds 10 to 15 Mph.

Tonight 16 Sep Southern San Luis Valley

Mostly clear. Lows 36 to 44. Southwest Winds 10 to 15 Mph becoming south after midnight.

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Blanca Temperature Statistics

September Temperature

San Luis Valley Regional Airport (18.6 miles)

  • Lowest 14 September, 2025

    34 °F

  • Average September

    57.7 °F

  • Highest 2 September, 2025

    81 °F

Climate (2020–Present)

San Luis Valley Regional Airport (18.6 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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