Antonito Weather Forecast

    • 46
    • 82

    Mostly Sunny

    • 46
    • 82

    Mostly Sunny

    • 48
    • 85

    Partly Sunny

    • 49
    • 82

    Slight Chance Thunderstorms

    • 47
    • 79

    Chance Thunderstorms

    • 45
    • 77

    Slight Chance Thunderstorms

Today 9 Sep Southern San Luis Valley

Sunny in the Morning, then partly sunny with a 10 percent chance of Thunderstorms in the afternoon. Highs 78 to 85. East Winds up to 10 Mph.

Tonight 9 Sep Southern San Luis Valley

Mostly cloudy until midnight then becoming partly cloudy. Lows 46 to 51. Southeast Winds up to 10 Mph.

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Antonito Temperature Statistics

September Temperature

San Luis Valley Regional Airport (26.1 miles)

  • Lowest 2 September, 2026

    39.7 °F

  • Average September

    64.6 °F

  • Highest 6 September, 2026

    86 °F

Climate (2021–2026)

San Luis Valley Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    26.7 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    63.5 °F
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