• Tonight

    Mar 31

    Lo 38°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Apr 1

    71°Lo 54°

    Breezy and mild with sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Apr 2

    65°Lo 43°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Apr 3

    47°Lo 30°

    Rain or snow possible

    Low ragweed pollen levels
    • Precip
      35%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      94%
    more
  • Sat

    Apr 4

    55°Lo 40°

    Breezy with partial sunshine

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
8am
9am 10am 11am
  8am 9am 10am 11am
Forecast
Partly Sunny
Cloudy
Cloudy
Cloudy
Temp (°F) 44° 45° 48° 52°
RealFeel® 39° 41° 45° 49°
Humidity 80% 76% 71% 64%
   
  8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am
Wind (mph) 8 NNW 8 NW 8 NW 9 NNW
UV Index 0 0 1 1
Cloud Cover 46% 100% 94% 97%
Dew Point 38° 38° 39° 40°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Mar 31

more Historical Weather Data >
  Today Normal Record 3/31/2014
High 61° 56° 84° (1986) 66°
Low 38° 35° 10° (1923) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:38 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:01 PM with 13:11 of moolight, then sets at 5:12 AM

Ottawa Weather Report

Chicago: Cool, Dry After Midweek Warmth

March 31, 2015; 3:08 PM ET

After mild conditions bring on a thunderstorm threat at midweek, cooler air will infiltrate the Chicago area. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps