Union Weather Forecast

    • 65
    • 81

    Slight Chance Thunderstorms

    • 71
    • 83

    Thunderstorms Likely

    • 71
    • 88

    Thunderstorms Likely

    • 70
    • 85

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

    • 74
    • 92

    Mostly Sunny

Today 17 Jul Logan

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the morning. Not as warm. Humid with Highs around 80. North Winds around 5 Mph. Chance of rain 30 percent.

Tonight 17 Jul Logan

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

July Temperature

Logan County Airport (8.7 miles)

  • Lowest 2 July, 2025

    63.7 °F

  • Average July

    78 °F

  • Highest 4 July, 2025

    92.5 °F

Climate (2020–Present)

Logan County Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    65.4 °F
Get WillyWeather+ to remove ads