Union Weather Forecast

    • 48
    • 82

    Rain Showers

    • 55
    • 70

    Mostly Sunny

    • 46
    • 69

    Partly Sunny

    • 48
    • 74

    Mostly Sunny

    • 45
    • 72

    Sunny

    • 51
    • 76

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 3 Sep Logan

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Temperature falling into the mid 70s late. West Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 3 Sep Logan

Mostly cloudy. Showers with a chance of Thunderstorms this evening. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 80 percent.

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Union Temperature Statistics

September Temperature

Logan County Airport (8.7 miles)

  • Lowest 1 September, 2025

    52.7 °F

  • Average September

    65.7 °F

  • Highest 1 September, 2025

    80.4 °F

Climate (2020–Present)

Logan County Airport (8.7 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    65.5 °F
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