Costilla Weather Forecast

    • 39
    • 62

    Breezy

    • 31
    • 56

    Rain Showers

    • 31
    • 57

    Mostly Sunny

    • 32
    • 55

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 37
    • 60

    Mostly Sunny

Today 13 Oct Upper Rio Grande Valley

Breezy. Partly cloudy. Isolated Showers in the morning. Highs in the lower 60s. Southwest Winds 15 to 25 Mph. Chance of rain 20 percent.

Tonight 13 Oct Upper Rio Grande Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. South Winds around 15 Mph.

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Costilla Temperature Statistics

October Temperature

San Luis Valley Regional Airport (36.7 miles)

  • Lowest 2 October, 2026

    32.6 °F

  • Average October

    54.5 °F

  • Highest 6 October, 2026

    76.6 °F

Climate (2021–2026)

San Luis Valley Regional Airport (36.7 miles)

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  • Average Low 2021–2026

    26.9 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    63.5 °F
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