San Luis Weather Forecast

    • 37
    • 68

    Slight Chance Thunderstorms

    • 38
    • 65

    Mostly Sunny

    • 43
    • 74

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

    • 45
    • 77

    Slight Chance Thunderstorms

    • 43
    • 73

    Slight Chance Thunderstorms

Today 9 May Southern San Luis Valley

Mostly sunny in the Morning, then mostly cloudy with a 10 percent chance of Thunderstorms in the afternoon. Highs 67 to 74. Northwest Winds around 10 Mph.

Tonight 9 May Southern San Luis Valley

Mostly clear. Lows 33 to 39. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Luis Temperature Statistics

May Temperature

La Veta Mountain, La Veta Pass (24.9 miles)

  • Lowest 6 May, 2026

    19.4 °F

  • Average May

    34.3 °F

  • Highest 3 May, 2026

    51.8 °F

Climate (2021–Present)

La Veta Mountain, La Veta Pass (24.9 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    38.8 °F

  • Average High 2021–2026

    48 °F
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