• Tue

    May 17

    71°Lo 52°

    Sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    May 18

    72°Lo 54°

    Sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    May 19

    75°Lo 59°

    Clouds and sunshine

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    May 20

    82°Lo 63°

    Overcast

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    May 21

    79°Lo 67°

    Cloudy and becoming rainy

    Snow Days Weather
    • Snow
      50%
    • Ice
      0%
    • Snow
      0 in
Next Previous
Hi 79° RealFeel® 79° Precipitation 75%

Day

N

E

S

W

  • SW 13 mph
  • Gusts: 24 mph

Becoming rainy with plenty of clouds

  • Max UV Index: 2 (Low)
  • Thunderstorms: 3%
  • Precipitation: 0.36 in
  • Rain: 0.36 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 7 hrs
  • Hours of Rain: 7 hrs
Lo 67° RealFeel® 65° Precipitation 25%

Night

N

E

S

W

  • WNW 7 mph
  • Gusts: 14 mph

Mostly cloudy and warm

  • 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 21

more Historical Weather Data >
  Today Normal Record 5/21/2015
High 79° 74° 96° (1934) 69°
Low 67° 52° 29° (1929) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 14:43 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:03 PM with 10:17 of moolight, then sets at 6:20 AM

Ottawa Weather Report

Chicago: Temperature roller coaster in store for this week

May 2, 2016; 9:03 AM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >