Marshalltown Weather Forecast

    • 52
    • 67

    Increasing Clouds

    • 57
    • 65

    Chance Rain Showers

    • 57
    • 65

    Rain Showers

    • 56
    • 62

    Chance Rain Showers

    • 55
    • 66

    Mostly Cloudy

    • 59
    • 70

    Rain Showers Likely

    • 57
    • 68

    Rain Showers Likely

Today 23 Sep Marshall

Partly sunny. Near steady temperature in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 23 Sep Marshall

Partly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marshalltown Temperature Statistics

September Temperature

Marshalltown, Marshalltown Municipal Airport (3.7 miles)

  • Lowest 13 September, 2026

    51.7 °F

  • Average September

    71.1 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

Marshalltown, Marshalltown Municipal Airport (3.7 miles)

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

  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.3 °F
Get WillyWeather+ to remove ads