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    • Today

      May 23

      65° /52°
      Rain and a t-storm; cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      May 24

      63° /52°F
      Cloudy with a shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Thu

      May 25

      68° /51°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      May 26

      73° /56°
      A shower or thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sat

      May 27

      79° /57°
      A t-storm in the afternoon
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    63°Hi RealFeel® 62° Precipitation 55%
    Considerable cloudiness and cool with a brief shower or two
    • NNE 9 mph
    • Gusts: 14 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    52°Lo RealFeel® 48° Precipitation 40%
    A stray evening shower; otherwise, rather cloudy
    • NW 8 mph
    • Gusts: 13 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

    Naperville Pollen Levels May 24

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/24/2016
    High 63° 72° 91° (2010) 87°
    Low 52° 51° 34° (2013) 56°

    Sunrise/Sunset

    • Sunrise: 5:25 AM
    • Sunset: 8:14 PM
    • Duration: 14:49 hr

    Moonrise/Moonset

    • Moonrise: 4:53 AM
    • Moonset: 6:54 PM
    • Duration: 14:01 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps