San Acacio Weather Forecast

    • 41
    • 70

    Mostly Sunny

    • 42
    • 73

    Slight Chance Thunderstorms

    • 41
    • 72

    Slight Chance Thunderstorms

    • 41
    • 73

    Slight Chance Thunderstorms

    • 38
    • 73

    Slight Chance Thunderstorms

    • 38
    • 73

    Mostly Sunny

Today 18 Sep Southern San Luis Valley

Sunny. Highs 64 to 72. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 18 Sep Southern San Luis Valley

Partly cloudy. Lows 37 to 43. South Winds around 10 Mph.

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San Acacio Temperature Statistics

September Temperature

San Luis Valley Regional Airport (22.4 miles)

  • Lowest 14 September, 2025

    34 °F

  • Average September

    57.4 °F

  • Highest 2 September, 2025

    81 °F

Climate (2020–Present)

San Luis Valley Regional Airport (22.4 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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