Barrington Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 51
    • 70

    Mostly Cloudy

    • 51
    • 73

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 45
    • 62

    Slight Chance Rain Showers

Today 22 Oct Northern Cook

Sunny. Highs in the lower 70s Inland, but only in the upper 60s near the lake. Light and variable Winds, becoming east 5 to 10 Mph in the afternoon.

Tonight 22 Oct Northern Cook

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barrington Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.6 °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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