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    • Fri

      Sep 30

      67° /54°F
      A passing morning shower
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Oct 1

      68° /52°
      Cloudy with showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      71° /51°
      Clouds and sun with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      74° /58°
      Clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      73° /52°
      Considerable cloudiness
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    67°Hi RealFeel® 70° Precipitation 55%
    A passing shower in the morning; otherwise, sunshine and a few clouds
    • NNE 8 mph
    • Gusts: 12 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    54°Lo RealFeel® 54° Precipitation 40%
    A shower in the area in the evening; otherwise, mostly cloudy
    • NNE 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.01 in
    • Rain: 0.01 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 67° 69° N/A 60°
    Low 54° 48° N/A 53°

    Sunrise/Sunset

    • Sunrise: 6:49 AM
    • Sunset: 6:34 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:20 AM
    • Moonset: 6:39 PM
    • Duration: 12:19 hr
    Astronomy

    Arlington Heights Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 8:13 PM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday. More >