• Today

    Jul 31

    87°Lo 64°

    Sunny to partly cloudy

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Sat

    Aug 1

    86°Lo 66°

    Mostly sunny and nice

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      15%
    • Hours of Precip
      1
    more
  • Sun

    Aug 2

    84°Lo 69°

    Periods of sun with a t-storm

    Advisory for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      55%
    • Hours of Precip
      2
  • Mon

    Aug 3

    85°Lo 63°

    A morning t-storm in spots

    Warning for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      42%
    • Hours of Precip
      1
    more
  • Tue

    Aug 4

    81°Lo 62°

    Nice with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      16%
    • Hours of Precip
      0
    more
Next Previous
Hi 84° RealFeel® 87° Precipitation 55%

Day

N

E

S

W

  • SW 13 mph
  • Gusts: 18 mph

Periods of clouds and sunshine with a shower or thunderstorm

  • Max UV Index: 7 (High)
  • 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
Lo 69° RealFeel® 64° Precipitation 55%

Night

N

E

S

W

  • W 10 mph
  • Gusts: 15 mph

Partly cloudy with a shower or thunderstorm around

  • 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 - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 84° 83° N/A 86°
Low 69° 64° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:24 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:32 PM with 12:06 of moolight, then sets at 9:38 AM

Arlington Heights Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

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

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index