Mason City Weather Forecast

    • 65
    • 81

    Rain Showers Likely

    • 54
    • 80

    Decreasing Clouds

    • 55
    • 77

    Sunny

    • 62
    • 80

    Rain Showers Likely

    • 52
    • 75

    Chance Rain Showers

    • 53
    • 67

    Rain Showers Likely

    • 53
    • 71

    Rain Showers Likely

Today 8 Sep Cerro Gordo

Showers likely with a chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 Sep Cerro Gordo

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason City Temperature Statistics

September Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 1 September, 2026

    62.7 °F

  • Average September

    76.2 °F

  • Highest 4 September, 2026

    90.6 °F

Climate (2021–2026)

Mason City Municipal Airport (6.2 miles)

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

  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.6 °F
Get WillyWeather+ to remove ads