Barrington Weather Forecast

    • 60
    • 79

    Rain Showers

    • 63
    • 72

    Chance Rain Showers

    • 64
    • 76

    Chance Rain Showers

    • 67
    • 78

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 60
    • 76

    Chance Rain Showers

Today 15 Sep Northern Cook

Showers and a chance of Thunderstorms in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. More humid. Highs around 80. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the morning. Chance of precipitation near 100 percent.

Tonight 15 Sep Northern Cook

Mostly cloudy. A slight chance of Showers in the evening. A slight chance of Thunderstorms until early Morning, then a chance of Showers after midnight. Lows in the lower 60s. North Winds around 5 Mph. Chance of precipitation 40 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 11 September, 2026

    56.6 °F

  • Average September

    75.9 °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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