7-Day Forecast 42.09°N 87.98°W (Text-Only)
NWS Forecast for: Arlington Heights IL
Issued by: National Weather Service Chicago, IL
Last Update: 1:11 am CDT Jul 13, 2025
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  • Overnight

    Overnight: Mostly clear, with a low around 66. West northwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear



  • Sunday

    Sunday: Partly sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny



  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 65. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear



  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 88 °F

    Sunny



  • Monday
    Night

    Monday Night: Mostly clear, with a low around 68. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear



  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Showers
    Likely


  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms


  • Overnight: Mostly clear, with a low around 66. West northwest wind around 5 mph.

    Sunday: Partly sunny, with a high near 82. West wind 5 to 10 mph.

    Sunday Night: Mostly clear, with a low around 65. West northwest wind around 5 mph becoming calm in the evening.

    Monday: Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    Monday Night: Mostly clear, with a low around 68. West southwest wind around 5 mph becoming calm in the evening.

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72.

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90.

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80.

    Thursday Night: A chance of showers. Partly cloudy, with a low around 62.

    Friday: Mostly sunny, with a high near 80.

    Friday Night: Partly cloudy, with a low around 63.

    Saturday: Partly sunny, with a high near 82.



    Arlington Heights IL
     42.09°N 87.98°W

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