Barrington Weather Forecast

    • 43
    • 68

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 51
    • 67

    Mostly Cloudy

    • 49
    • 69

    Mostly Cloudy

Today 20 Oct Northern Cook

Mostly sunny. Patchy dense fog late in the morning. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 20 Oct Northern Cook

Mostly clear in the Evening, then becoming partly cloudy. Patchy dense fog late. Lows in the mid 40s. East Winds around 5 Mph, becoming south after midnight.

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Barrington Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.9 °F

  • Average October

    61.4 °F

  • Highest 12 October, 2026

    88.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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