• Tonight

    May 29

    Lo 61°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      3%
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Mon

    May 30

    86°Lo 64°

    Partly sunny and very warm

    Fair for stargazing
    • Cloud
      Cover
      51%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Tue

    May 31

    84°Lo 65°

    Mainly cloudy with a t-storm

    Poor for stargazing
    • Cloud
      Cover
      85%
    • Precip
      61%
    • Hours of Precip
      4
  • Wed

    Jun 1

    78°Lo 56°

    Cloudy, a couple of t-storms

    Poor for stargazing
    • Cloud
      Cover
      77%
    • Precip
      72%
    • Hours of Precip
      8
    more
  • Thu

    Jun 2

    75°Lo 52°

    Clouds giving way to some sun

    Excellent for stargazing
    • Cloud
      Cover
      20%
    • Precip
      11%
    • Hours of Precip
      0
    more
Next Previous
Hi 84° RealFeel® 87° Precipitation 55%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 14 mph

Mostly cloudy and remaining warm with a shower or thunderstorm around

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 65° RealFeel® 60° Precipitation 61%

Night

N

E

S

W

  • SSE 6 mph
  • Gusts: 9 mph

Plenty of clouds with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 84° 77° 106° (1934) 68°
Low 65° 56° 35° (1897) 44°

Solunar Information for Ottawa, IL

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:24 AM with 14:58 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:34 AM with 12:36 of moolight, then sets at 3:10 PM

Sun, May 29
Last
Sun, Jun 5
New
Sun, Jun 12
First
Mon, Jun 20
Full

Ottawa Weather Report

Chicago: Cooler, less humid conditions to arrive by Thursday

May 29, 2016; 6:19 PM ET

After a warm start to the week, cooler and less humid conditions will arrive by the end of the week across the Chicago area. 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.

Tue. Stargazing