• Wed

    Sep 17

    72°Lo 46°

    Mostly cloudy with a shower

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
  • Thu

    Sep 18

    69°Lo 53°

    Periods of rain

    Ragweed Pollen Weather
    • Precip
      72%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      90%
    more
  • Fri

    Sep 19

    68°Lo 49°

    Cloudy with rain ending

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      90%
    more
  • Sat

    Sep 20

    71°Lo 52°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      41%
    more
  • Sun

    Sep 21

    71°Lo 47°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      23%
    more
Next Previous
Hi 72° RealFeel® 71° Precipitation 55%

Day

N

E

S

W

  • ESE 5 mph
  • Gusts: 11 mph

Mostly cloudy with a shower

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 46° RealFeel® 43° Precipitation 62%

Night

N

E

S

W

  • ESE 4 mph
  • Gusts: 10 mph

Mostly cloudy with spotty showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 72° 76° 97° (1927) 74°
Low 46° 53° 31° (1937) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:25 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:35 AM with 14:38 of moolight, then sets at 3:13 PM

Top Story

Ottawa Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 1:18 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >