Barrington Weather Forecast

    • 48
    • 72

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 51
    • 74

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 49
    • 63

    Mostly Cloudy

    • 50
    • 68

    Partly Sunny

Today 23 Oct Northern Cook

Sunny. Highs in the lower 70s Inland, but only in the upper 60s near the lake. Southeast Winds 5 to 10 Mph.

Tonight 23 Oct Northern Cook

Partly cloudy. Lows around 50. Southeast Winds around 5 Mph.

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Barrington Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.3 °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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