• Today

    Dec 19

    52°Lo 39°

    A.M. rain; otherwise, cloudy

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      65%
    • Hours of Precip
      1.5
    more
  • Sat

    Dec 20

    51°Lo 38°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sun

    Dec 21

    54°Lo 43°

    Variable cloudiness

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      6%
    • Hours of Precip
      0
  • Mon

    Dec 22

    65°Lo 42°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      5%
    • Hours of Precip
      1
    more
  • Tue

    Dec 23

    55°Lo 35°

    Mostly sunny; breezy, cooler

    Unlikely for hair frizz
    • Wind
      Gust
      27 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 41° 38° 40° 40° 40° 40° 40° 41°
RealFeel® 39° 36° 39° 38° 38° 38° 38° 38°
Humidity 90% 100% 91% 90% 86% 85% 85% 87%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 SE 4 SE 4 SE 4 SE 5 SE 5 SE 5 SE 6 SE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 75% 83% 90% 93% 94% 93% 92% 92%
Dew Point 38° 38° 37° 37° 36° 36° 36° 37°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 54° 52° N/A 53°
Low 43° 31° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:26 AM with 9:57 of sunlight, then sets at 5:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:46 AM with 10:42 of moolight, then sets at 5:28 PM

Mckinney Weather Report

Dallas: Temperatures to Rise Over Weekend

December 19, 2014; 10:35 AM ET

The weekend will offer warmer conditions for the Dallas area as rain pushes out of the region. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index