Union Mountain Weather Forecast

    • 49
    • 76

    Decreasing Clouds

    • 36
    • 66

    Rain/Snow

    • 36
    • 50

    Rain/Snow

    • 38
    • 55

    Rain Showers

    • 40
    • 54

    Rain Showers

    • 43
    • 63

    Partly Sunny

    • 46
    • 68

    Isolated Thunderstorms

Today 25 May Southwest Elko County

Sunny. Highs 79 to 85. Southwest Winds 5 to 15 Mph.

Tonight 25 May Southwest Elko County

Mostly cloudy early in the evening then becoming partly cloudy. Lows in the upper 40s. Southwest Winds up to 15 Mph.

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Union Mountain Temperature Statistics

May Temperature

Eureka Airport AWOS (40.4 miles)

  • Lowest 19 May, 2026

    23 °F

  • Average May

    56.2 °F

  • Highest 12 May, 2026

    87.8 °F

Climate (2021–Present)

Eureka Airport AWOS (40.4 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    63.7 °F
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