• Early AM

    Sep 1

    Lo 69°

    Areas of fog

    Bicycling Weather
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Today

    Sep 1

    89°Lo 71°

    Fog, humid in the a.m.; hazy

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Wed

    Sep 2

    91°Lo 70°

    Hot and humid with some sun

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      5 mph
    more
  • Thu

    Sep 3

    88°Lo 69°

    Very warm with some sun

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Fri

    Sep 4

    89°Lo 70°

    Sunny, very warm and humid

    Excellent for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
Next Previous
Hi 89° RealFeel® 97° Precipitation 25%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 12 mph

Areas of fog this morning and humid; otherwise, hazy sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 71° RealFeel® 71° Precipitation 25%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 9 mph

Mainly clear, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 80° 101° (1953) 85°
Low 71° 63° 45° (1949) 74°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:08 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:19 PM with 13:34 of moolight, then sets at 10:53 AM

Forest Park Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 2:11 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.