Fort Union National Monument Weather Forecast

    • 24
    • 62

    Mostly Sunny

    • 15
    • 48

    Mostly Sunny

    • 19
    • 41

    Mostly Sunny

    • 21
    • 60

    Partly Sunny

    • 19
    • 45

    Mostly Sunny

    • 25
    • 55

    Mostly Sunny

Today 15 Jan Far Northeast Highlands

Not as cool. Mostly sunny. Highs in the lower 60s. Northwest Winds around 15 Mph.

Tonight 15 Jan Far Northeast Highlands

Cold. Mostly clear. Lows in the lower 20s. Northwest Winds around 15 Mph.

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Fort Union National Monument Temperature Statistics

January Temperature

Las Vegas Municipal Airport (17.4 miles)

  • Lowest 10 January, 2026

    8.1 °F

  • Average January

    38.6 °F

  • Highest 4 January, 2026

    63 °F

Climate (2021–Present)

Las Vegas Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    65.9 °F
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