• Tonight

    Jul 29

    Lo 71°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Jul 30

    87°Lo 68°

    Not as warm with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      11 mph
    more
  • Thu

    Jul 31

    77°Lo 61°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      8 mph
  • Fri

    Aug 1

    82°Lo 63°

    Mostly sunny and cool

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Aug 2

    88°Lo 65°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 77° RealFeel® 82° Precipitation 60%

Day

N

E

S

W

  • N 8 mph
  • Gusts: 14 mph

Mostly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 61° RealFeel® 60° Precipitation 12%

Night

N

E

S

W

  • NNE 5 mph
  • Gusts: 13 mph

Mainly clear and cool

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 77° 93° N/A 101°
Low 61° 71° N/A 77°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 13:47 of sunlight, then sets at 8:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:51 AM with 12:06 of moolight, then sets at 10:57 PM

Top Story

Mckinney Weather Report

Dallas: Cooler Temperatures Throughout New Week

July 29, 2014; 6:30 PM ET

The chance for thunderstorms will persist through the Dallas area for the next several days. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index