Costilla Weather Forecast

    • 20
    • 49

    Decreasing Clouds

    • 29
    • 55

    Partly Sunny

    • 28
    • 56

    Breezy

    • 25
    • 58

    Partly Sunny

    • 31
    • 64

    Partly Sunny

    • 33
    • 68

    Partly Sunny

Today 20 Mar Upper Rio Grande Valley

Not as cool. Partly cloudy. Highs in the lower 50s. Southwest Winds 15 to 20 Mph this afternoon.

Tonight 20 Mar Upper Rio Grande Valley

Breezy, cold. Partly cloudy in the Evening, then becoming mostly clear. Lows around 20. Southwest Winds 20 to 25 Mph in the evening.

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Costilla Temperature Statistics

March Temperature

San Luis Valley Regional Airport (36.7 miles)

  • Lowest 16 March, 2025

    9 °F

  • Average March

    35.7 °F

  • Highest 17 March, 2025

    63 °F

Climate (2020–Present)

San Luis Valley Regional Airport (36.7 miles)

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  • Average Low 2020–2025

    26.5 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    62.5 °F
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