• Today

    May 1

    57°Lo 44°

    Spotty afternoon showers

    Poor for stargazing
    • Cloud
      Cover
      84%
    • Precip
      55%
    • Hours of Precip
      2.5
  • Mon

    May 2

    60°Lo 41°

    Variable clouds

    Excellent for stargazing
    • Cloud
      Cover
      8%
    • Precip
      16%
    • Hours of Precip
      0
    more
  • Tue

    May 3

    69°Lo 49°

    Warmer with some sun

    Poor for stargazing
    • Cloud
      Cover
      78%
    • Precip
      60%
    • Hours of Precip
      1
    more
  • Wed

    May 4

    59°Lo 39°

    Cooler with a shower in spots

    Very Good for stargazing
    • Cloud
      Cover
      12%
    • Precip
      7%
    • Hours of Precip
      1
    more
  • Thu

    May 5

    61°Lo 39°

    Sunny to partly cloudy

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      5%
    • Hours of Precip
      0
    more
Next Previous
Mostly cloudy 47° Lo 44° RealFeel® 41° / 37°

N

E

S

W

  • Precipitation: 10%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 80%
  • Cloud Cover: 70%
  • Dew Point: 39° F
  • Visibility: 10 mi
9 mph

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 57° 68° 90° (1952) 70°
Low 44° 46° 29° (1918) 42°

Solunar Information for Ottawa, IL

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:02 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 AM with 11:11 of moolight, then sets at 1:57 PM

Fri, May 6
New
Fri, May 13
First
Sat, May 21
Full
Sun, May 29
Last

Ottawa Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 11:54 AM ET

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

'Frankenfish' Ready for Market

Dec 7, 2012; 7:08 AM ET A new lab-created meat is waiting for FDA approval that is at once very different and just the same as your favorite fish dinner.

Sun. Stargazing