• Wed

    May 13

    65°Lo 50°

    Partial sunshine

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      48%
    more
  • Thu

    May 14

    75°Lo 58°

    Considerable cloudiness

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      99%
    more
  • Fri

    May 15

    76°Lo 60°

    A morning shower, then rain

    Ragweed Pollen Weather
    • Precip
      67%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      89%
  • Sat

    May 16

    84°Lo 57°

    Mostly sunny and warmer

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      26%
    more
  • Sun

    May 17

    83°Lo 61°

    Mostly cloudy with a t-storm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      74%
    more
Next Previous
Hi 76° RealFeel® 75° Precipitation 67%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 30 mph

Cloudy; a shower in spots in the morning followed by periods of rain in the afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 28%
  • Precipitation: 0.17 in
  • Rain: 0.17 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 60° RealFeel® 57° Precipitation 51%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 17 mph

Mostly cloudy with a thunderstorm in the area

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - May 15

more Historical Weather Data >
  Today Normal Record 5/15/2014
High 76° 72° 93° (1944) 56°
Low 60° 50° 34° (1926) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:30 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:07 AM with 13:18 of moolight, then sets at 5:25 PM

Ottawa Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 3, 2015; 11:27 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >