Somonauk Weather Forecast

    • 62
    • 81

    Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 62
    • 90

    Partly Sunny

    • 62
    • 89

    Partly Sunny

    • 61
    • 85

    Chance Rain Showers

Today 13 Sep De Kalb

Mostly cloudy late morning through mid Afternoon, then becoming partly cloudy. Showers and Thunderstorms likely late in the Morning, then a chance of Showers and Thunderstorms in the late morning and afternoon. Highs around 80. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 13 Sep De Kalb

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Somonauk Temperature Statistics

September Temperature

Aurora Municipal Airport (13.7 miles)

  • Lowest 7 September, 2025

    39 °F

  • Average September

    60.4 °F

  • Highest 11 September, 2025

    84 °F

Climate (2020–Present)

Aurora Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    61.2 °F
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