Sumner Weather Forecast

    • 41
    • 62

    Increasing Clouds

    • 46
    • 57

    Rain Showers Likely

    • 49
    • 61

    Rain Showers Likely

    • 52
    • 66

    Slight Chance Rain Showers

    • 53
    • 64

    Rain Showers Likely

    • 48
    • 64

    Chance Rain Showers

Today 29 Oct Bremer

Sunny. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 29 Oct Bremer

Clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

October Temperature

Oelwein Municipal Airport (12.4 miles)

  • Lowest 17 October, 2026

    30.2 °F

  • Average October

    58 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Oelwein Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.9 °F
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