• Tonight

    Aug 4

    Lo 78°

    Partly cloudy and warm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      94°
    • Hi
      RealFeel
      105°
    • Wind
      Speed
      9 mph
    more
  • Wed

    Aug 5

    99°Lo 79°

    Sunny and very warm

    Good for home energy
    • Avg
      RealFeel
      94°
    • Hi
      RealFeel
      105°
    • Wind
      Speed
      13 mph
  • Thu

    Aug 6

    102°Lo 79°

    Mostly sunny and hot

    Good for home energy
    • Avg
      RealFeel
      95°
    • Hi
      RealFeel
      106°
    • Wind
      Speed
      13 mph
    more
  • Fri

    Aug 7

    102°Lo 78°

    Hot with plenty of sun

    Good for home energy
    • Avg
      RealFeel
      94°
    • Hi
      RealFeel
      108°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Aug 8

    102°Lo 77°

    Hot with plenty of sun

    Good for home energy
    • Avg
      RealFeel
      92°
    • Hi
      RealFeel
      105°
    • Wind
      Speed
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 81° 80° 79° 78° 82° 85° 88° 91°
RealFeel® 85° 84° 83° 82° 87° 91° 94° 99°
Humidity 72% 74% 78% 81% 73% 65% 57% 53%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 7 S 7 S 7 S 8 S 9 S 13 SSW 13 SSW 13 SSW
UV Index 0 0 0 0 1 3 6 8
Cloud Cover 26% 26% 26% 26% 6% 2% 0% 0%
Dew Point 71° 71° 72° 72° 72° 72° 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 - Aug 5

more Historical Weather Data >
  Today Normal Record 8/5/2014
High 99° 94° N/A 93°
Low 79° 71° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 13:40 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:44 AM with 9:42 of moolight, then sets at 12:27 PM

Mckinney Weather Report

Dallas: Sizzling Heat to Persist Into Late Week

August 4, 2015; 7:57 PM ET

Sunny skies and very warm conditions will persist through the week in the Dallas-Fort Worth Metroplex. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index