Sumner Weather Forecast

    • 39
    • 56

    Sunny

    • 41
    • 62

    Sunny

    • 44
    • 65

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 17 Oct Bremer

Widespread frost this morning. Sunny. Highs in the upper 50s. South Winds 5 to 10 Mph, becoming southwest around 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 17 Oct Bremer

Clear. Lows around 40. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

October Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 2 October, 2026

    42.8 °F

  • Average October

    61 °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