Sumner Weather Forecast

    • 49
    • 68

    Becoming Sunny

    • 55
    • 74

    Partly Sunny

    • 53
    • 73

    Rain Showers

    • 56
    • 74

    Rain Showers

    • 53
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

Today 14 Jun Bremer

Sunny. Highs in the upper 60s. Northwest Winds 15 to 20 Mph.

Tonight 14 Jun Bremer

Clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

June Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 2 June, 2026

    53.6 °F

  • Average June

    71 °F

  • Highest 4 June, 2026

    86 °F

Climate (2021–Present)

Oelwein Municipal Airport (12.4 miles)

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

  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58.3 °F
Get WillyWeather+ to remove ads