Lost Lake Weather Forecast

    • 41
    • 55

    Isolated Thunderstorms

    • 41
    • 55

    Thunderstorms

    • 41
    • 55

    Isolated Thunderstorms

    • 41
    • 57

    Mostly Sunny

    • 38
    • 57

    Isolated Thunderstorms

    • 38
    • 56

    Isolated Thunderstorms

Today 18 Sep Southern Sangre de Cristo Mountains

Mostly sunny. Isolated rain Showers and Thunderstorms this afternoon. Highs in the lower 60s. Chance of rain 20 percent.

Tonight 18 Sep Southern Sangre de Cristo Mountains

Partly cloudy. Isolated Showers in the evening. Lows in the mid 40s. South Winds around 15 Mph after midnight. Chance of rain 20 percent.

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Lost Lake Temperature Statistics

September Temperature

Las Vegas Municipal Airport (24.9 miles)

  • Lowest 15 September, 2025

    42.1 °F

  • Average September

    61.7 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Las Vegas Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    65.7 °F
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