Barrington Weather Forecast

    • 62
    • 75

    Chance Rain Showers

    • 65
    • 70

    Rain Showers

    • 55
    • 72

    Rain Showers

    • 50
    • 64

    Slight Chance Rain Showers

    • 49
    • 63

    Partly Sunny

    • 45
    • 65

    Mostly Sunny

Today 29 Sep Northern Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Areas of fog early in the morning. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 29 Sep Northern Cook

Mostly cloudy. A chance of Showers late. Lows in the lower 60s. South Winds 5 to 10 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 26 September, 2026

    47.6 °F

  • Average September

    69.6 °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

    61.5 °F
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