Norwalk Weather Forecast

    • 65
    • 85

    Slight Chance Thunderstorms

    • 52
    • 78

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 59
    • 79

    Partly Sunny

Today 22 Aug Warren

Mostly sunny. Near steady temperature in the lower 80s. South Winds around 5 Mph.

Tonight 22 Aug Warren

Mostly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. South Winds around 5 Mph, becoming west after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

August Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 1 August, 2025

    60.7 °F
  • Average August

    76.7 °F
  • Highest 16 August, 2025

    94.6 °F

Climate (2020–Present)

Des Moines International Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    43.3 °F
  • Average 2020–2025

    53 °F
  • Average High 2020–2025

    62.8 °F
Get WillyWeather+ to remove ads