Los Alamos Reservoir Weather Forecast

    • 51
    • 72

    Mostly Cloudy

    • 49
    • 71

    Thunderstorms

    • 48
    • 63

    Rain Showers

    • 46
    • 62

    Rain Showers

    • 47
    • 66

    Thunderstorms

    • 48
    • 70

    Isolated Thunderstorms

    • 48
    • 71

    Thunderstorms

Today 3 Sep Jemez Mountains

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. Chance of rain 20 percent.

Tonight 3 Sep Jemez Mountains

Partly cloudy. Lows in the lower 50s.

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  • Temperature Real-Time

Los Alamos Reservoir Temperature Statistics

September Temperature

Los Alamos Airport (4.3 miles)

  • Lowest 1 September, 2025

    55.4 °F

  • Average September

    64.8 °F

  • Highest 1 September, 2025

    76.3 °F

Climate (2020–Present)

Los Alamos Airport (4.3 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62.1 °F
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