Sycamore Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

    • 48
    • 69

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

Today 5 Oct De Kalb

Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 5 Oct De Kalb

Clear. Lows in the mid 40s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Sycamore Temperature Statistics

October Temperature

De Kalb Taylor Municipal Airport (3.7 miles)

  • Lowest 3 October, 2026

    42.3 °F

  • Average October

    58.3 °F

  • Highest 3 October, 2026

    69.1 °F

Climate (2021–2026)

De Kalb Taylor Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    59.7 °F
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