Stewartville Weather Forecast

    • 72
    • 83

    Isolated Thunderstorms

    • 67
    • 88

    Decreasing Clouds

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 83

    Chance Rain Showers

    • 67
    • 84

    Partly Sunny

    • 64
    • 84

    Slight Chance Thunderstorms

Today 30 Aug Olmsted

Mostly sunny. Near steady temperature in the mid 80s. South Winds 10 to 15 Mph. Heat index Values in the mid 90s.

Tonight 30 Aug Olmsted

Partly cloudy this Evening, then becoming mostly cloudy. Isolated Showers and Thunderstorms. Lows in the lower 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewartville Temperature Statistics

August Temperature

Rochester, Rochester International Airport (3.1 miles)

  • Lowest 23 August, 2026

    51.7 °F

  • Average August

    70.2 °F

  • Highest 12 August, 2026

    84.7 °F

Climate (2021–2026)

Rochester, Rochester International Airport (3.1 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.5 °F
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