Waterloo Weather Forecast

    • 30
    • 40

    Rain Likely

    • 32
    • 37

    Rain

    • 32
    • 43

    Chance Rain

    • 25
    • 46

    Slight Chance Rain

    • 6
    • 35

    Breezy

    • 7
    • 17

    Partly Sunny

Today 24 Dec Jefferson

Cloudy. Chance of drizzle and Sprinkles late in the afternoon. Near steady temperature around 40. Southeast Winds 5 to 10 Mph. Chance of Showers 40 percent.

Tonight 24 Dec Jefferson

Cloudy. Light rain likely in the Evening, then chance of drizzle and Sprinkles late in the evening. Lows in the lower 30s. East Winds up to 5 Mph shifting to the north after midnight. Chance of precipitation 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Waterloo Temperature Statistics

December Temperature

Watertown (13 miles)

  • Lowest 14 December, 2025

    -7.2 °F

  • Average December

    19.1 °F

  • Highest 18 December, 2025

    43.2 °F

Climate (2020–Present)

Watertown (13 miles)

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

  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    54.5 °F
Get WillyWeather+ to remove ads