Barrington Weather Forecast

    • 70
    • 85

    Chance Thunderstorms

    • 62
    • 79

    Rain Showers

    • 56
    • 77

    Mostly Sunny

    • 63
    • 78

    Mostly Sunny

    • 62
    • 84

    Chance Thunderstorms

    • 61
    • 78

    Chance Rain Showers

    • 64
    • 79

    Rain Showers Likely

Today 8 Sep Northern Cook

Mostly cloudy. A slight chance of Showers. Near steady temperature in the lower 80s. South Winds around 10 Mph. Chance of precipitation 20 percent.

Tonight 8 Sep Northern Cook

Mostly cloudy. Isolated Showers after midnight. A slight chance of Thunderstorms after midnight. Scattered Showers late. Lows in the lower 70s. Southwest Winds around 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barrington Temperature Statistics

September Temperature

Chicago / Wheeling, Pal-Waukee Airport (11.8 miles)

  • Lowest 6 September, 2026

    64 °F

  • Average September

    80.4 °F

  • Highest 2 September, 2026

    96.7 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (11.8 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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