Lake Arlington Weather Forecast

    • 68
    • 81

    Partly Sunny

    • 73
    • 88

    Partly Sunny

    • 79
    • 95

    Mostly Sunny

    • 73
    • 96

    Thunderstorms Likely

    • 70
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 91

    Partly Sunny

Today 21 Jul Northern Cook

Partly cloudy late in the Morning, then becoming mostly sunny. Hazy late in the morning. Highs in the lower 80s Inland, but only in the upper 70s near the lake. East Winds around 10 Mph.

Tonight 21 Jul Northern Cook

Partly cloudy. Lows in the upper 60s. East Winds 5 to 10 Mph, becoming southeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arlington Temperature Statistics

July Temperature

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

  • Lowest 18 July, 2025

    59.6 °F

  • Average July

    76.5 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
Get WillyWeather+ to remove ads