• Tonight

    Jul 27

    Lo 76°

    Mostly clear and warm

    Driving Weather
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
  • Tue

    Jul 28

    98°Lo 75°

    Sunny and seasonably hot

    Very Good for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Wed

    Jul 29

    99°Lo 76°

    Mostly sunny and hot

    Very Good for driving
    • Precip
      12%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Thu

    Jul 30

    99°Lo 76°

    Partly sunny and hot

    Very Good for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Fri

    Jul 31

    96°Lo 73°

    Chance of a thunderstorm

    Excellent for driving
    • Precip
      30%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Partly Sunny
Partly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Clear
Temp (°F) 97° 96° 98° 97° 96° 96° 93° 87°
RealFeel® 102° 104° 102° 99° 98° 95° 94° 90°
Humidity 41% 44% 40% 40% 43% 40% 45% 57%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 17 S 12 SSE 16 SSE 15 SSE 15 SE 14 S 9 SSE 6 SSE
UV Index 9 8 6 4 2 0 0 0
Cloud Cover 35% 35% 0% 0% 0% 0% 0% 0%
Dew Point 70° 71° 70° 69° 70° 68° 69° 70°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 98° 93° N/A 101°
Low 76° 71° N/A 77°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:54 of sunlight, then sets at 8:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:06 PM with 10:43 of moolight, then sets at 3:49 AM

Mckinney Weather Report

Dangerous Heat to Sizzle Plains, Southern US This Week

July 27, 2015; 9:04 PM ET

Several days of excessive heat and humidity will put many at risk across a large portion of the United States this week. more >

Training T-storm Trouble

May 16, 2012; 5:00 AM ET What are training thunderstorms and why are they more likely to cause flash flooding?

Mon. Travel Weather

48 Hour Precipitation Forecast

Mon. Driving Weather