Somonauk Weather Forecast

    • 65
    • 69

    Rain Showers

    • 57
    • 73

    Rain Showers

    • 46
    • 68

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

Today 30 Sep De Kalb

Showers. Highs in the upper 60s. South Winds 10 to 15 Mph. Gusts up to 25 Mph in the morning. Chance of precipitation near 100 percent.

Tonight 30 Sep De Kalb

Showers likely with a slight chance of Thunderstorms. Near steady temperature in the mid 60s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Somonauk Temperature Statistics

September Temperature

Aurora Municipal Airport (13.7 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    69.1 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Aurora Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.7 °F
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