Sycamore Weather Forecast

    • 48
    • 74

    Rain Showers

    • 38
    • 57

    Chance Rain Showers

    • 43
    • 67

    Chance Rain Showers

    • 36
    • 54

    Partly Sunny

    • 39
    • 58

    Partly Sunny

    • 38
    • 62

    Slight Chance Rain Showers

Today 18 Oct De Kalb

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms. Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 18 Oct De Kalb

A chance of Showers and Thunderstorms early in the Evening, then a slight chance of Thunderstorms in the late evening and early morning. Showers in the late evening and overnight. Breezy with Lows in the upper 40s. Southwest Winds 5 to 10 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of precipitation 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sycamore Temperature Statistics

October Temperature

De Kalb Taylor Municipal Airport (3.7 miles)

  • Lowest 9 October, 2025

    39.4 °F

  • Average October

    61 °F

  • Highest 3 October, 2025

    87.3 °F

Climate (2020–Present)

De Kalb Taylor Municipal Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.7 °F
Get WillyWeather+ to remove ads