Waterloo Weather Forecast

    • 61
    • 81

    Slight Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 61
    • 80

    Partly Sunny

    • 58
    • 81

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 18 Aug Jackson

Sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 18 Aug Jackson

Partly cloudy. A chance of Showers and a slight chance of Thunderstorms overnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts to around 20 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Waterloo Temperature Statistics

August Temperature

Jackson County Airport - Reynolds Field (17.4 miles)

  • Lowest 2 August, 2025

    49.6 °F

  • Average August

    73 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Jackson County Airport - Reynolds Field (17.4 miles)

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

  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    60 °F
Get WillyWeather+ to remove ads