• Today

    Aug 21

    95°Lo 75°

    Sunny to partly cloudy

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      12 mph
    • T-storms
      24%
  • Fri

    Aug 22

    95°Lo 74°

    Sunny

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      9 mph
    • T-storms
      24%
    more
  • Sat

    Aug 23

    96°Lo 74°

    Mostly sunny and seasonable

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      8 mph
    • T-storms
      9%
    more
  • Sun

    Aug 24

    95°Lo 73°

    Mostly sunny and seasonable

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      8 mph
    • T-storms
      24%
    more
  • Mon

    Aug 25

    97°Lo 74°

    Hot with plenty of sun

    Excellent for travel
    • Rain
      0 in
    • Wind
      Speed
      6 mph
    • T-storms
      24%
    more
Next Previous
Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Mostly Sunny
Temp (°F) 82° 81° 80° 80° 79° 78° 76° 75°
RealFeel® 80° 82° 81° 81° 81° 81° 79° 78°
Humidity 67% 71% 76% 76% 82% 84% 90% 89%
   
  12am 1am 2am 3am 4am 5am 6am 7am
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%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 14 S 7 SW 12 S 10 S 10 S 7 S 7 S 7 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 17%
Dew Point 70° 71° 72° 72° 73° 73° 73° 72°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 95° 92° N/A 96°
Low 75° 69° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 13:12 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:30 AM with 14:01 of moolight, then sets at 5:31 PM

Top Story

McKinney Weather Report

Dallas: Warmth, Sunshine to Remain

August 20, 2014; 2:44 PM ET

In the wake of drenching thunderstorms and frequent lightning, temperatures and the amount of sunshine will trend upward this week. more >

Travel Weather Forecast

Aug 21, 2014; 5:39 AM ET United States travel weather forecast

Weather Related Flight Delays

Thu. Travel Weather

Flight Tracker