• Today

    May 18

    91°Lo 72°

    Some sun; breezy, warm, humid

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      13 mph
    more
  • Sun

    May 19

    93°Lo 71°

    A strong afternoon t-storm

    Poor for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      15 mph
    more
  • Mon

    May 20

    89°Lo 72°

    A t-storm around in the p.m.

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      14 mph
  • Tue

    May 21

    87°Lo 66°

    Strong t-storms; partly sunny

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      12 mph
    more
  • Wed

    May 22

    86°Lo 63°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 73° 76° 78° 80° 82° 84° 85° 86°
RealFeel® 74° 79° 83° 85° 87° 89° 89° 89°
Humidity 85% 81% 76% 71% 67% 64% 61% 60%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
6%
 
7%
 
7%
 
9%
 
14%
 
14%
 
18%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 S 13 S 14 S 15 S 15 S 15 S 15 S 15 S
UV Index 3 5 6 7 8 8 7 5
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 69° 69° 70° 70° 71° 71° 70° 70°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 89° 80° N/A 89°
Low 72° 62° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:59 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:45 PM with 11:54 of moolight, then sets at 3:39 AM

Top Story

McKinney Weather Report

Six Dead, Dozens Injured From Massive Texas Tornado

May 18, 2013; 5:37 AM ET

A tornado reaching up to a mile wide at times left at least six dead Wednesday in Hood and Johnson counties, Texas. more >

DIY Deodorant and Lotion

May 17, 2013; 5:00 AM ET Learn how to save money by making your own deodorants and lotions with all-natural ingredients.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index