Sumner Weather Forecast

    • 8
    • 18

    Mostly Cloudy

    • 14
    • 34

    Mostly Cloudy

    • 15
    • 25

    Chance Snow

    • 24
    • 31

    Mostly Sunny

    • 21
    • 48

    Partly Sunny

    • 12
    • 30

    Mostly Cloudy

    • 13
    • 24

    Chance Snow

Today 23 Feb Bremer

Sunny. Highs around 18. Northwest Winds around 5 Mph.

Tonight 23 Feb Bremer

Partly cloudy Early, then becoming mostly cloudy. Lows around 10 above. West Winds around 5 Mph, becoming south 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

February Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 4 February, 2026

    1.4 °F

  • Average February

    30.4 °F

  • Highest 16 February, 2026

    62.6 °F

Climate (2021–Present)

Oelwein Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.2 °F
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