Sumner Weather Forecast

    • 55
    • 73

    Mostly Cloudy

    • 53
    • 74

    Partly Sunny

    • 48
    • 67

    Mostly Cloudy

    • 47
    • 62

    Mostly Cloudy

    • 48
    • 61

    Mostly Cloudy

    • 48
    • 66

    Chance Rain Showers

Today 23 Oct Bremer

Mostly sunny. Highs in the mid 70s. Southeast Winds 10 to 15 Mph.

Tonight 23 Oct Bremer

Mostly cloudy. Lows in the mid 50s. Southeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

October Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 17 October, 2026

    30.2 °F

  • Average October

    57.8 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Oelwein Municipal Airport (12.4 miles)

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

  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.8 °F
Get WillyWeather+ to remove ads