San Luis Weather Forecast

    • 54
    • 77

    Slight Chance Thunderstorms

    • 56
    • 81

    Partly Sunny

    • 54
    • 78

    Chance Thunderstorms

    • 54
    • 79

    Chance Thunderstorms

    • 53
    • 79

    Rain Showers Likely

    • 52
    • 78

    Chance Thunderstorms

Today 5 Sep Southern San Luis Valley

Mostly sunny with a 10 percent chance of Thunderstorms. Highs 75 to 82. Northwest Winds up to 10 Mph becoming southwest around 10 Mph in the afternoon.

Tonight 5 Sep Southern San Luis Valley

Mostly cloudy. Lows 47 to 54. South Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Luis Temperature Statistics

September Temperature

La Veta Mountain, La Veta Pass (24.9 miles)

  • Lowest 1 September, 2026

    44.6 °F

  • Average September

    55 °F

  • Highest 2 September, 2026

    69.8 °F

Climate (2021–2026)

La Veta Mountain, La Veta Pass (24.9 miles)

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  • Average Low 2021–2026

    31.3 °F

  • Average 2021–2026

    39 °F

  • Average High 2021–2026

    48.4 °F
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