Alto Weather Forecast

    • 40
    • 63

    Mostly Sunny

    • 42
    • 65

    Sunny

    • 40
    • 66

    Mostly Sunny

    • 42
    • 67

    Mostly Cloudy

    • 44
    • 63

    Partly Sunny

    • 43
    • 63

    Mostly Sunny

Today 20 Dec South Central Mountains

Windy. Mostly sunny. Highs in the lower 60s. West Winds 25 to 35 Mph with Gusts up to 45 Mph, Diminishing to 20 to 25 Mph in the afternoon.

Tonight 20 Dec South Central Mountains

Mostly clear. Lows in the lower 40s. West Winds around 15 Mph.

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Alto Temperature Statistics

December Temperature

Sierra Blanca Regional Airport (9.9 miles)

  • Lowest 4 December, 2025

    26.6 °F

  • Average December

    44.3 °F

  • Highest 17 December, 2025

    64.4 °F

Climate (2020–Present)

Sierra Blanca Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    65.2 °F
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