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    • Today

      Aug 17

      81° /65°F
      A thunderstorm in the area
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Fri

      Aug 18

      79° /65°
      Beautiful with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Aug 19

      79° /65°
      A morning shower or t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Aug 20

      83° /68°
      Mostly sunny and humid
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      87° /70°
      Partly sunny, warm and muggy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    81°Hi RealFeel® 87° Precipitation 40%
    Intervals of clouds and sunshine with a shower or thunderstorm around; humid
    • Winds from the
    • SW 12 mph
    • Gusts: 18 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 40%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    65°Lo RealFeel® 62° Precipitation 9%
    Less humid with patchy clouds
    • Winds from the
    • W 12 mph
    • Gusts: 17 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Winnetka Pollen Levels Aug 17

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/17/2016
    High 81° 82° N/A 86°
    Low 65° 64° N/A 69°

    Sunrise/Sunset

    • Sunrise: 6:00 AM
    • Sunset: 7:49 PM
    • Duration: 13:49 hr

    Moonrise/Moonset

    • Moonrise: 1:33 AM
    • Moonset: 4:31 PM
    • Duration: 14:58 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps