Fort Union National Monument Weather Forecast

    • 50
    • 63

    Rain Showers Likely

    • 34
    • 67

    Breezy

    • 34
    • 65

    Sunny

    • 35
    • 67

    Mostly Sunny

    • 40
    • 70

    Mostly Sunny

    • 37
    • 72

    Mostly Sunny

Today 15 Oct Far Northeast Highlands

Windy. Patchy dense fog in the morning. Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the mid 60s. South Winds 20 to 30 Mph. Gusts up to 45 Mph in the afternoon. Chance of rain 20 percent.

Tonight 15 Oct Far Northeast Highlands

Windy. Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 50s. South Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

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Fort Union National Monument Temperature Statistics

October Temperature

Las Vegas Municipal Airport (17.4 miles)

  • Lowest 6 October, 2025

    39 °F

  • Average October

    58 °F

  • Highest 2 October, 2025

    78.1 °F

Climate (2020–Present)

Las Vegas Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    65.6 °F
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