• Mon

    May 18

    75°Lo 55°

    A shower in the afternoon

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      6 mph
    more
  • Tue

    May 19

    75°Lo 57°

    An afternoon shower

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      7 mph
  • Wed

    May 20

    77°Lo 58°

    Warm with periods of rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      5 mph
    more
  • Thu

    May 21

    78°Lo 58°

    Mostly cloudy, rain ending

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      1 mph
    more
  • Fri

    May 22

    79°Lo 59°

    Clouds, a little rain; warm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 75° RealFeel® 78° Precipitation 55%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 15 mph

Mostly sunny and warm; an afternoon shower

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 57° RealFeel® 57° Precipitation 20%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 10 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2014
High 75° 73° 96° (1975) 72°
Low 57° 52° 33° (1929) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:33 AM with 14:38 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:01 AM with 14:46 of moolight, then sets at 9:47 PM

Ottawa Weather Report

Chicago: Weekend Warmth to Last Into Early Week

May 3, 2015; 1:27 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. 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.