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    • Today

      Mar 27

      51° /40°F
      Rain and drizzle in the p.m.
      • 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: Moderate
    • Tue

      Mar 28

      45° /38°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Mar 29

      47° /38°
      A passing afternoon shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Mar 30

      44° /40°
      Breezy with periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Fri

      Mar 31

      46° /39°
      Mostly cloudy, a bit of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    51°Hi RealFeel® 52° Precipitation 62%
    Mainly cloudy and cooler; damp this morning, then periods of rain and drizzle late this afternoon
    • ENE 6 mph
    • Gusts: 12 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 4%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    40°Lo RealFeel® 31° Precipitation 42%
    A brief shower this evening; otherwise, cloudy
    • N 11 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • 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

    Chicago Pollen Levels Mar 27

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/27/2016
    High 51° 51° 82° (1945) 66°
    Low 40° 35° 13° (1965) 42°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 7:10 PM
    • Duration: 12:28 hr

    Moonrise/Moonset

    • Moonrise: 6:38 AM
    • Moonset: 6:52 PM
    • Duration: 12:14 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps