Lake Arlington Weather Forecast

    • 60
    • 70

    Rain Showers

    • 60
    • 80

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 60
    • 79

    Partly Sunny

    • 51
    • 69

    Slight Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

Today 9 Oct Northern Cook

Mostly cloudy. Isolated Showers early in the Morning, then scattered Showers in the late morning and afternoon. A slight chance of Thunderstorms late. Highs around 70. South Winds around 5 Mph, increasing to southeast in the afternoon. Chance of precipitation 50 percent.

Tonight 9 Oct Northern Cook

Clear. Lows around 60. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Lake Arlington Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 5 October, 2026

    45 °F
  • Average October

    60 °F
  • Highest 6 October, 2026

    73.9 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (2.5 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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