Lake Arlington Weather Forecast

    • 61
    • 84

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 68
    • 84

    Rain Showers

    • 50
    • 84

    Rain Showers Likely

    • 44
    • 63

    Mostly Cloudy

    • 47
    • 61

    Partly Sunny

    • 51
    • 67

    Partly Sunny

Today 16 May Northern Cook

Mostly sunny early in the Afternoon, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

Tonight 16 May Northern Cook

Mostly cloudy. A slight chance of Showers and Thunderstorms early in the Evening, then a chance of Showers and Thunderstorms in the late evening and overnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arlington Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    51.7 °F

  • Highest 4 May, 2026

    81.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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