• Mon

    Mar 9

    44°Lo 33°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Tue

    Mar 10

    52°Lo 38°

    Sunshine and patchy clouds

    Advisory for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Wed

    Mar 11

    56°Lo 38°

    Plenty of sunshine

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      16%
    • Hours of Precip
      0
    more
  • Thu

    Mar 12

    58°Lo 38°

    Thickening clouds

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      0%
    • Hours of Precip
      0.5
    more
  • Fri

    Mar 13

    42°Lo 30°

    Cloudy, a little rain; colder

    Advisory for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      59%
    • Hours of Precip
      2
    more
Next Previous
Hi 52° RealFeel® 48° Precipitation 5%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 21 mph

Sunshine and patchy clouds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 38° RealFeel® 35° Precipitation 7%

Night

N

E

S

W

  • SSW 9 mph
  • Gusts: 16 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Mar 10

more Historical Weather Data >
  Today Normal Record 3/10/2014
High 52° 46° 73° (1955) 53°
Low 38° 27° (1934) 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:16 AM with 11:40 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:49 PM with 10:30 of moolight, then sets at 10:19 AM

Ottawa Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 4, 2015; 10:53 AM ET

While frigid conditions will encompass the Chicago area over the next couple of days, the weekend will offer a break from the bitter cold. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.