San Isidro Lake Weather Forecast

    • 25
    • 65

    Mostly Sunny

    • 30
    • 58

    Increasing Clouds

    • 29
    • 63

    Partly Sunny

    • 32
    • 62

    Mostly Sunny

    • 37
    • 62

    Mostly Sunny

    • 33
    • 58

    Partly Sunny

    • 38
    • 61

    Mostly Sunny

Today 13 Dec East Slopes Sangre de Cristo Mountains

Mostly sunny. Highs in the lower 60s. Temperature falling into the upper 40s this afternoon. North Winds 15 to 20 Mph, becoming northeast this afternoon.

Tonight 13 Dec East Slopes Sangre de Cristo Mountains

Colder. Mostly clear. Lows in the lower 20s. Southeast Winds around 15 Mph in the evening.

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San Isidro Lake Temperature Statistics

December Temperature

Las Vegas Municipal Airport (16.2 miles)

  • Lowest 4 December, 2025

    15.1 °F

  • Average December

    36.6 °F

  • Highest 11 December, 2025

    72 °F

Climate (2020–Present)

Las Vegas Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    65.7 °F
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