Sycamore Weather Forecast

    • 48
    • 66

    Decreasing Clouds

    • 42
    • 71

    Partly Sunny

    • 38
    • 62

    Partly Sunny

    • 40
    • 60

    Rain Showers Likely

    • 44
    • 64

    Rain Showers Likely

    • 44
    • 65

    Partly Sunny

Today 8 May De Kalb

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 8 May De Kalb

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sycamore Temperature Statistics

May Temperature

De Kalb Taylor Municipal Airport (3.7 miles)

  • Lowest 2 May, 2026

    30 °F

  • Average May

    50.9 °F

  • Highest 4 May, 2026

    77.9 °F

Climate (2021–Present)

De Kalb Taylor Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.3 °F
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