Owatonna Weather Forecast

    • 63
    • 81

    Chance Thunderstorms

    • 62
    • 79

    Thunderstorms Likely

    • 58
    • 74

    Rain Showers Likely

    • 59
    • 74

    Chance Rain Showers

    • 60
    • 78

    Chance Thunderstorms

    • 54
    • 78

    Slight Chance Thunderstorms

    • 52
    • 72

    Mostly Sunny

Today 17 Sep Steele

Partly sunny. Slight chance of Thunderstorms early in the Afternoon, then chance of Thunderstorms late in the afternoon. Near steady temperature in the upper 70s. South Winds around 5 Mph. Chance of Thunderstorms 40 percent.

Tonight 17 Sep Steele

Mostly cloudy. Chance of Thunderstorms until early Morning, then chance of Showers and slight chance of Thunderstorms late in the night. Lows in the lower 60s. Southeast Winds up to 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Owatonna Temperature Statistics

September Temperature

Owatonna Degner Regional Airport (1.9 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    62.4 °F

  • Highest 14 September, 2025

    88.5 °F

Climate (2020–Present)

Owatonna Degner Regional Airport (1.9 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    56.6 °F
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