Antonito Weather Forecast

    • 45
    • 59

    Rain Showers

    • 41
    • 62

    Rain Showers Likely

    • 36
    • 66

    Rain Showers Likely

    • 38
    • 69

    Mostly Sunny

    • 42
    • 72

    Partly Sunny

    • 39
    • 68

    Chance Thunderstorms

    • 35
    • 63

    Chance Rain Showers

Today 23 Sep Southern San Luis Valley

Sunny with a 20 percent chance of Thunderstorms. Highs 62 to 68.

Tonight 23 Sep Southern San Luis Valley

Periods of rain Showers and slight chance of Thunderstorms. Lows in the lower to mid 40s. Light Winds. Chance of precipitation near 100 percent.

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Antonito Temperature Statistics

September Temperature

San Luis Valley Regional Airport (26.1 miles)

  • Lowest 21 September, 2026

    30.9 °F

  • Average September

    63 °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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