Sumner Weather Forecast

    • 70
    • 87

    Slight Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

    • 67
    • 84

    Slight Chance Thunderstorms

    • 65
    • 82

    Partly Sunny

Today 1 Sep Bremer

Partly sunny with a slight chance of Showers and Thunderstorms. Humid with Highs in the upper 80s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 1 Sep Bremer

Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

September Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Oelwein Municipal Airport (12.4 miles)

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

  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.9 °F
Get WillyWeather+ to remove ads