San Isidro Lake Weather Forecast

    • 37
    • 63

    Partly Sunny

    • 35
    • 68

    Partly Sunny

    • 38
    • 68

    Mostly Cloudy

    • 37
    • 62

    Mostly Cloudy

    • 36
    • 61

    Partly Sunny

    • 33
    • 59

    Mostly Cloudy

Today 21 Dec East Slopes Sangre de Cristo Mountains

Breezy. Partly cloudy. Highs in the upper 50s. Southwest Winds around 15 Mph, increasing to 20 to 25 Mph in the afternoon.

Tonight 21 Dec East Slopes Sangre de Cristo Mountains

Breezy. Partly cloudy. Lows in the upper 30s. West Winds 15 to 25 Mph with Gusts up to 35 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

    40.2 °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

    37.8 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    65.7 °F
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