• Today

    Sep 18

    72°Lo 48°

    Sunny and pleasant

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

    Sep 19

    76°Lo 59°

    Intervals of clouds and sun

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

    Sep 20

    82°Lo 59°

    A couple of p.m. t-storms

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

    Sep 21

    74°Lo 50°

    Clouds breaking; less humid

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      51%
    more
  • Mon

    Sep 22

    69°Lo 46°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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Forecast
Sunny
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Sunny
Sunny
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Sunny
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Sunny
Temp (°F) 68° 70° 71° 72° 72° 71° 69° 65°
RealFeel® 72° 74° 75° 75° 72° 69° 65° 63°
Humidity 60% 55% 52% 50% 51% 54% 58% 65%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 5 E 5 E 5 E 5 E 6 E 5 E 5 E 4 E
UV Index 5 5 5 4 3 1 0 0
Cloud Cover 0% 0% 0% 1% 1% 1% 1% 1%
Dew Point 54° 53° 53° 53° 53° 53° 53° 53°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 72° 76° 99° (1965) 84°
Low 48° 53° 34° (1929) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:22 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:28 AM with 14:25 of moolight, then sets at 3:53 PM

Top Story

Ottawa Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 PM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps