• Today

    Sep 3

    91°Lo 68°

    Hot and humid with some sun

    Very Good at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      49%
    • Precip
      16%
  • Fri

    Sep 4

    90°Lo 70°

    A thunderstorm in spots

    Very Good at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    • Precip
      40%
    more
  • Sat

    Sep 5

    90°Lo 69°

    Partly sunny and hot

    Excellent at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      27%
    • Precip
      25%
    more
  • Sun

    Sep 6

    92°Lo 74°

    Partly sunny and hot

    Very Good at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      26%
    • Precip
      11%
    more
  • Mon

    Sep 7

    87°Lo 69°

    A t-storm in the afternoon

    Very Good at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      80%
    • Precip
      57%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 77° 81° 86° 87° 89° 90° 91° 90°
RealFeel® 83° 89° 95° 95° 95° 96° 97° 95°
Humidity 76% 71% 64% 58% 53% 51% 52% 52%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SW 7 WSW 8 WSW 8 WSW 9 WSW 9 WSW 9 WSW 8 WSW
UV Index 2 3 4 5 4 4 3 2
Cloud Cover 26% 18% 51% 62% 73% 57% 56% 65%
Dew Point 69° 71° 72° 70° 70° 69° 71° 71°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 91° 81° 98° (1925) 85°
Low 68° 59° 42° (1974) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:02 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:46 PM with 14:24 of moolight, then sets at 1:10 PM

Ottawa Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 12:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Thu. Beach & Pool

Thu. UV Index

Thu. Wind Maps