• Today

    Dec 21

    41°Lo 31°

    Mostly cloudy with a flurry

    Good for home energy
    • Avg
      RealFeel
      25°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      12 mph
    more
  • Mon

    Dec 22

    43°Lo 40°

    Cloudy with spotty showers

    Good for home energy
    • Avg
      RealFeel
      31°
    • Hi
      RealFeel
      31°
    • Wind
      Speed
      15 mph
  • Tue

    Dec 23

    48°Lo 33°

    Cloudy with a shower

    Fair for home energy
    • Avg
      RealFeel
      34°
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Dec 24

    39°Lo 27°

    Snow showers; windy, colder

    Very Good for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      24°
    • Wind
      Speed
      23 mph
    more
  • Thu

    Dec 25

    39°Lo 31°

    Sunny to partly cloudy

    Good for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      29°
    • Wind
      Speed
      13 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Rain
Cloudy
Rain
Temp (°F) 42° 43° 43° 43° 43° 43° 43° 43°
RealFeel® 30° 30° 31° 31° 31° 31° 33° 33°
Humidity 81% 83% 84% 86% 87% 88% 88% 88%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
49%
 
55%
 
49%
 
46%
 
47%
 
51%
 
43%
 
58%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 16 SE 16 SE 16 SSE 16 SSE 15 SSE 14 SSE 14 SSE 13 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 98% 98% 98% 99% 99% 99% 99% 100%
Dew Point 37° 38° 38° 39° 39° 40° 40° 40°
Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 43° 34° 58° (1957) 33°
Low 40° 18° -19° (1989)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:12 of sunlight, then sets at 4:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:30 AM with 10:10 of moolight, then sets at 5:40 PM

Ottawa Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 21, 2014; 4:18 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index