Arlington Heights Weather Forecast

    • 66
    • 91

    Mostly Cloudy

    • 60
    • 73

    Mostly Cloudy

    • 67
    • 80

    Rain Showers Likely

    • 67
    • 83

    Thunderstorms Likely

    • 67
    • 80

    Chance Thunderstorms

    • 71
    • 84

    Chance Thunderstorms

    • 74
    • 90

    Slight Chance Thunderstorms

Today 16 Jul Northern Cook

Partly cloudy late in the Morning, then becoming mostly cloudy. Isolated Showers and Thunderstorms early to mid afternoon. Scattered Showers and Thunderstorms late in the afternoon. Hot and humid. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 16 Jul Northern Cook

Mostly cloudy. Breezy. Lows in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest after midnight.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Arlington Heights Temperature Statistics

July Temperature

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

  • Lowest 10 July, 2025

    62.7 °F
  • Average July

    77.3 °F
  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (4.3 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