Schaumburg Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 64
    • 81

    Slight Chance Thunderstorms

    • 62
    • 77

    Chance Rain Showers

    • 64
    • 78

    Chance Rain Showers

Today 16 Sep Northern Cook

Mostly sunny. Patchy fog early in the morning. Highs in the lower 80s Inland, but only in the upper 70s near the lake. East Winds 5 to 10 Mph.

Tonight 16 Sep Northern Cook

Mostly clear. Lows around 60. Northeast Winds around 5 Mph.

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Schaumburg Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (9.3 miles)

  • Lowest 7 September, 2025

    46.9 °F

  • Average September

    65.2 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (9.3 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.7 °F
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