San Acacio Weather Forecast

    • 40
    • 72

    Mostly Sunny

    • 39
    • 75

    Mostly Sunny

    • 41
    • 73

    Partly Sunny

    • 43
    • 71

    Rain Showers Likely

    • 42
    • 67

    Chance Thunderstorms

    • 42
    • 69

    Chance Thunderstorms

    • 42
    • 67

    Chance Thunderstorms

Today 19 Sep Southern San Luis Valley

Partly sunny with a 30 percent chance of Thunderstorms. Highs 66 to 71.

Tonight 19 Sep Southern San Luis Valley

Mostly clear. Lows 37 to 44. Southwest Winds 10 to 15 Mph becoming south after midnight.

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San Acacio Temperature Statistics

September Temperature

San Luis Valley Regional Airport (22.4 miles)

  • Lowest 11 September, 2026

    36 °F

  • Average September

    64.3 °F

  • Highest 6 September, 2026

    87.7 °F

Climate (2021–2026)

San Luis Valley Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    26.8 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    63.5 °F
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