Sumner Weather Forecast

    • 68
    • 87

    Rain Showers

    • 67
    • 85

    Rain Showers Likely

    • 65
    • 83

    Rain Showers Likely

    • 63
    • 82

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 65
    • 85

    Chance Rain Showers

Today 2 Jul Bremer

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 2 Jul Bremer

A chance of Showers early. A chance of Thunderstorms. Showers. Some Thunderstorms may produce heavy rainfall early. Humid with Lows in the upper 60s. South Winds 10 to 15 Mph. Chance of rain 90 percent.

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Sumner Temperature Statistics

July Temperature

Oelwein Municipal Airport (12.4 miles)

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  • Average July

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Climate (2021–2026)

Oelwein Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    58.3 °F
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