San Isidro Lake Weather Forecast

    • 34
    • 55

    Mostly Sunny

    • 34
    • 66

    Sunny

    • 31
    • 59

    Sunny

    • 28
    • 65

    Mostly Sunny

    • 32
    • 58

    Partly Sunny

    • 29
    • 60

    Mostly Sunny

    • 29
    • 58

    Mostly Sunny

Today 10 Dec East Slopes Sangre de Cristo Mountains

Mostly sunny. Highs in the lower 50s. Southwest Winds 15 to 20 Mph.

Tonight 10 Dec East Slopes Sangre de Cristo Mountains

Mostly clear. Lows in the mid 30s. Northwest Winds 15 to 20 Mph.

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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

    32.5 °F

  • Highest 2 December, 2025

    55.9 °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

    65.6 °F
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