Sumner Weather Forecast

    • 50
    • 68

    Rain Showers Likely

    • 44
    • 63

    Chance Rain Showers

    • 38
    • 60

    Chance Rain Showers

    • 43
    • 64

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 50
    • 72

    Partly Sunny

    • 55
    • 76

    Partly Sunny

Today 30 Apr Bremer

Partly sunny. A slight chance of Showers this afternoon. Highs in the mid 60s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 30 Apr Bremer

Cloudy. A slight chance of Showers early this Evening, then a chance of Showers. Lows in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

April Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 8 April, 2025

    19.4 °F

  • Average April

    47.5 °F

  • Highest 28 April, 2025

    75.2 °F

Climate (2020–Present)

Oelwein Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    57.7 °F
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