• Today

    May 1

    58°Lo 44°

    A couple of afternoon showers

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    May 2

    60°Lo 40°

    Variable clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    May 3

    71°Lo 48°

    Some sun, breezy and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    May 4

    59°Lo 39°

    Cooler with a shower in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    May 5

    61°Lo 39°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Clear 43° Lo 39° RealFeel® 41° / 35°

N

E

S

W

  • Precipitation: 6%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 77%
  • Cloud Cover: 9%
  • Dew Point: 34° F
  • Visibility: 10 mi
6 mph

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 59° 69° 93° (1952) 77°
Low 39° 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: Warmup to follow cool, damp weekend

May 1, 2016; 7:00 AM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Wed. Dust & Dander

Wed. Wind Maps