• Today

    May 1

    57°Lo 44°

    Mostly cloudy and warmer

    Very Good for driving
    • Precip
      45%
    • Hours of Precip
      2.5
    • Rain
      0.04 in
    more
  • Mon

    May 2

    60°Lo 41°

    Variable clouds

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
  • Tue

    May 3

    69°Lo 49°

    Warmer with some sun

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      1
    • Rain
      0.10 in
    more
  • Wed

    May 4

    59°Lo 39°

    Cooler with a shower in spots

    Very Good for driving
    • Precip
      41%
    • Hours of Precip
      1
    • Rain
      0.06 in
    more
  • Thu

    May 5

    61°Lo 39°

    Sunny to partly cloudy

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 53° 55° 57° 58° 59° 60° 59° 59°
RealFeel® 50° 54° 56° 58° 59° 59° 57° 57°
Humidity 65% 61% 55% 52% 52% 50% 51% 51%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
2%
 
2%
 
2%
 
3%
 
6%
 
6%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 10 NE 12 NE 12 NE 12 NE 12 NE 12 NE 12 NE 10 NE
UV Index 2 3 3 3 3 3 2 1
Cloud Cover 97% 100% 100% 97% 96% 98% 96% 87%
Dew Point 41° 42° 41° 41° 42° 42° 41° 41°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 60° 68° 94° (1901) 78°
Low 41° 46° 29° (1966) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:05 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 11:42 of moolight, then sets at 3:06 PM

Ottawa Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 1:54 PM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Travel Weather Forecast

May 01, 2016; 8:54 AM ET United States travel weather forecast

Mon. Travel Weather

48 Hour Precipitation Forecast

Mon. Driving Weather