Waterloo Weather Forecast

    • 41
    • 59

    Rain Showers

    • 31
    • 51

    Partly Sunny

    • 46
    • 56

    Rain Showers Likely

    • 61
    • 72

    Rain Showers Likely

    • 60
    • 78

    Rain Showers Likely

    • 44
    • 71

    Rain Showers Likely

Today 9 Apr Jefferson

Partly sunny. A 20 percent chance of light rain Showers late in the afternoon. Highs in the lower 60s. West Winds 5 to 10 Mph.

Tonight 9 Apr Jefferson

Rain Showers. Lows in the lower 40s. Northeast Winds 5 to 10 Mph. Chance of Showers near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Waterloo Temperature Statistics

April Temperature

Watertown (13 miles)

  • Lowest 7 April, 2026

    19.6 °F

  • Average April

    38.4 °F

  • Highest 2 April, 2026

    57.2 °F

Climate (2021–Present)

Watertown (13 miles)

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

  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.6 °F
Get WillyWeather+ to remove ads