• Today

    May 1

    56°Lo 45°

    Mostly cloudy and warmer

    Beneficial weather for colds
    • Avg
      Temp
      51°
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      53°
    more
  • Mon

    May 2

    58°Lo 41°

    Variable clouds

    Beneficial weather for colds
    • Avg
      Temp
      50°
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      57°
    more
  • Tue

    May 3

    66°Lo 49°

    Warmer with some sun

    Beneficial weather for colds
    • Avg
      Temp
      58°
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      70°
    more
  • Wed

    May 4

    58°Lo 41°

    Cooler with a shower in spots

    Beneficial weather for colds
    • Avg
      Temp
      50°
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      58°
  • Thu

    May 5

    64°Lo 44°

    Mostly sunny and breezy

    Beneficial weather for colds
    • Avg
      Temp
      54°
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      64°
    more
Next Previous
Hi 58° RealFeel® 58° Precipitation 41%

Day

N

E

S

W

  • NNW 14 mph
  • Gusts: 21 mph

Intervals of clouds and sunshine, breezy and cooler with a shower in spots

  • Max UV Index: 6 (High)
  • Thunderstorms: 20%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 41° RealFeel® 38° Precipitation 7%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 14 mph

Clear and chilly

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • 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 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 58° 69° 93° (1952) 77°
Low 41° 46° 29° (2005) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:09 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:37 AM with 12:54 of moolight, then sets at 5:31 PM

Ottawa Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 3:54 PM ET

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

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Wed. Cold & Flu

Wed. UV Index