Antonito Weather Forecast

    • 46
    • 82

    Mostly Sunny

    • 44
    • 81

    Mostly Sunny

    • 48
    • 85

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

    • 50
    • 81

    Slight Chance Thunderstorms

    • 46
    • 79

    Slight Chance Thunderstorms

    • 46
    • 78

    Chance Thunderstorms

Today 9 Sep Southern San Luis Valley

Sunny. Highs 78 to 85. Southwest Winds around 10 Mph.

Tonight 9 Sep Southern San Luis Valley

Partly cloudy with a 10 percent chance of Thunderstorms. Lows 46 to 51. East Winds 10 to 15 Mph becoming south after midnight.

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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

    65.4 °F

  • Highest 6 September, 2026

    87.7 °F

Climate (2021–2026)

San Luis Valley Regional Airport (26.1 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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