Arnold Weather Forecast

    • 2
    • 10

    Cold

    • 13
    • 21

    Partly Sunny

    • 27
    • 33

    Partly Sunny

    • 28
    • 39

    Mostly Cloudy

    • 18
    • 50

    Rain

    • 19
    • 27

    Mostly Cloudy

    • 32
    • 46

    Chance Rain

Today 14 Dec Union

Partly cloudy. Much cooler with Highs 10 to 15. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 9 below.

Tonight 14 Dec Union

Partly cloudy. Cold with Lows 0 to 5 above. West Winds 5 to 10 Mph. Wind chill Values as low as 9 below.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold Temperature Statistics

December Temperature

Marysville Union County Airport (7.5 miles)

  • Lowest 5 December, 2025

    3.4 °F

  • Average December

    26.7 °F

  • Highest 10 December, 2025

    39.4 °F

Climate (2020–Present)

Marysville Union County Airport (7.5 miles)

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

  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    62 °F
Get WillyWeather+ to remove ads