• Today

    Sep 17

    71°Lo 47°

    Mostly sunny and pleasant

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      5 mph
    more
  • Thu

    Sep 18

    72°Lo 49°

    Sunny and pleasant

    Excellent for running
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
  • Fri

    Sep 19

    76°Lo 60°

    Pleasant with periods of sun

    Excellent for running
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
  • Sat

    Sep 20

    81°Lo 61°

    A couple of p.m. t-storms

    Very Good for running
    • Precip
      66%
    • Hours of Precip
      5
    • Wind
      Gust
      19 mph
    more
  • Sun

    Sep 21

    77°Lo 54°

    A morning shower possible

    Good for running
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Sunny
Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Clear
Clear
Temp (°F) 71° 72° 72° 71° 69° 65° 62° 60°
RealFeel® 75° 75° 72° 69° 65° 61° 60° 57°
Humidity 51% 49% 49% 52% 56% 62% 69% 76%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 5 ENE 5 ENE 6 ENE 5 ENE 5 E 4 E 4 E 4 E
UV Index 5 4 3 1 0 0 0 0
Cloud Cover 7% 8% 10% 9% 8% 6% 4% 1%
Dew Point 52° 52° 52° 52° 53° 52° 52° 52°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 72° 76° 99° (1965) 84°
Low 49° 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 AM 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 >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.