• Today

    Sep 23

    74°Lo 48°

    Sunshine and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Sep 24

    76°Lo 52°

    Sun mixing with clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 25

    78°Lo 52°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Sep 26

    80°Lo 53°

    Sunny and pleasantly warm

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Sat

    Sep 27

    80°Lo 56°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      24%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
2pm
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Clear
Clear
Clear
Temp (°F) 72° 74° 74° 73° 71° 67° 64° 62°
RealFeel® 77° 77° 74° 71° 68° 63° 62° 59°
Humidity 43% 41% 41% 43% 47% 53% 59% 67%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
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0%
Snow
 
0%
 
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Ice
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 4 S 4 S 4 S 4 SSE 3 SE 3 SE 4 ESE 4 ESE
UV Index 4 4 2 1 0 0 0 0
Cloud Cover 4% 8% 8% 9% 10% 11% 9% 9%
Dew Point 49° 49° 49° 49° 50° 49° 50° 51°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 74° 74° 93° (1937) 77°
Low 48° 50° 30° (1995) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:07 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:08 AM with 12:21 of moolight, then sets at 6:29 PM

Top Story

Ottawa Weather Report

Drier Air Heads into Chicago Following Storms

September 23, 2014; 9:10 AM ET

Drier air will filter into the Chicago area for the rest of the week, resulting in dry skies and clear conditions to kick off the first week of fall. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps