Stewartsville Weather Forecast

    • 74
    • 90

    Partly Sunny

    • 70
    • 89

    Thunderstorms

    • 58
    • 86

    Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 63
    • 84

    Thunderstorms Likely

    • 57
    • 78

    Slight Chance Thunderstorms

    • 56
    • 75

    Slight Chance Thunderstorms

Today 9 Jun De Kalb

Sunny. Highs in the lower 90s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 104.

Tonight 9 Jun De Kalb

Mostly Sunny, then becoming mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 104 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewartsville Temperature Statistics

June Temperature

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

  • Lowest 3 June, 2026

    64.7 °F

  • Average June

    77.3 °F

  • Highest 1 June, 2026

    90.6 °F

Climate (2021–Present)

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    67.5 °F
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