• Sat

    Aug 15

    83°Lo 59°

    Sunny and colder

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

    Aug 16

    80°Lo 60°

    Rain

    Ragweed Pollen Weather
    • Precip
      79%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      95%
    more
  • Mon

    Aug 17

    79°Lo 66°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      57%
    more
  • Tue

    Aug 18

    81°Lo 66°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      66%
  • Wed

    Aug 19

    81°Lo 63°

    Sunny

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      12%
    more
Next Previous
Hi 81° RealFeel® 82° Precipitation 25%

Day

N

E

S

W

  • ESE 4 mph
  • Gusts: 8 mph

Mostly cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 65° Precipitation 20%

Night

N

E

S

W

  • E 4 mph
  • Gusts: 7 mph

Mainly clear

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

Temperature History - Aug 18

more Historical Weather Data >
  Today Normal Record 8/18/2014
High 81° 83° 105° (1936) 83°
Low 66° 62° 45° (1963) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:44 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:54 AM with 11:52 of moolight, then sets at 9:46 PM

Ottawa Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 7:08 PM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >