• Early AM

    Apr 16

    Lo 29°

    Mainly clear

    Asthma Weather
    • Hi
      RealFeel
      35°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Apr 16

    55°Lo 40°

    Partly sunny; breezy, warmer

    Beneficial weather for asthma
    • Hi
      RealFeel
      50°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Thu

    Apr 17

    58°Lo 37°

    A passing afternoon shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      6 - High
    • Air Qual.
      Good
  • Fri

    Apr 18

    53°Lo 34°

    Mostly cloudy with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      58°
    • UV
      5 - Moderate
    • Cloud
      Cover
      78%
    more
  • Sat

    Apr 19

    57°Lo 39°

    Periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 42° 42° 41° 40° 41° 43° 45° 49°
RealFeel® 32° 31° 31° 31° 33° 36° 40° 47°
Humidity 65% 68% 69% 70% 69% 66% 62% 58%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 12 S 11 S 10 SSW 9 SSW 9 SW 9 SW 9 WSW 9 WSW
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 76% 76% 76% 76% 76% 80% 72% 65%
Dew Point 31° 32° 31° 31° 31° 32° 33° 35°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 58° 63° 89° (2002) 53°
Low 37° 41° 24° (1897) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:25 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:24 PM with 10:08 of moolight, then sets at 8:32 AM

Top Story

Ottawa Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 15, 2014; 7:43 PM ET

While the city will warm up at midweek, by the weekend chilly weather will return and persist until next week. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index