• Today

    Oct 21

    55°Lo 37°

    Variable clouds with a shower

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      40%
    • Hours of Precip
      1
  • Wed

    Oct 22

    55°Lo 35°

    A full day of sunshine

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Thu

    Oct 23

    59°Lo 47°

    An afternoon shower

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      40%
    • Hours of Precip
      1.5
    more
  • Fri

    Oct 24

    63°Lo 46°

    Sunshine and patchy clouds

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sat

    Oct 25

    68°Lo 50°

    Partly sunny and warm

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
Hi 55° RealFeel® 51° Precipitation 40%

Day

N

E

S

W

  • N 10 mph
  • Gusts: 18 mph

Variable clouds with a shower in spots

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 37° RealFeel® 36° Precipitation 1%

Night

N

E

S

W

  • ENE 5 mph
  • Gusts: 12 mph

Turning clear and chilly

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

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 55° 62° 84° (1947) 53°
Low 37° 42° 20° (1952) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:07 AM with 10:52 of sunlight, then sets at 5:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:50 AM with 12:03 of moolight, then sets at 4:53 PM

Portage Weather Report

Cool Weather Ahead for Chicago

October 21, 2014; 6:01 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. 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.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index