• Today

    Aug 4

    100°Lo 78°

    Partly sunny and very warm

    Excellent at the beach or pool
    • UV
      7 - Very High
    • Cloud
      Cover
      39%
    • Precip
      6%
  • Wed

    Aug 5

    99°Lo 79°

    Sunny and very warm

    Very Good at the beach or pool
    • UV
      7 - Very High
    • Cloud
      Cover
      0%
    • Precip
      5%
    more
  • Thu

    Aug 6

    102°Lo 79°

    Mostly sunny and very warm

    Very Good at the beach or pool
    • UV
      7 - Very High
    • Cloud
      Cover
      17%
    • Precip
      4%
    more
  • Fri

    Aug 7

    102°Lo 78°

    Hot with plenty of sun

    Excellent at the beach or pool
    • UV
      7 - Very High
    • Cloud
      Cover
      0%
    • Precip
      4%
    more
  • Sat

    Aug 8

    102°Lo 77°

    Very warm with plenty of sun

    Excellent at the beach or pool
    • UV
      7 - Very High
    • Cloud
      Cover
      0%
    • Precip
      5%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Mostly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 84° 89° 94° 95° 96° 98° 99° 100°
RealFeel® 96° 105° 98° 99° 100° 101° 100° 99°
Humidity 60% 55% 39% 38% 37% 33% 31% 30%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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Snow
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 0 4 ESE 14 S 14 SSE 15 SSE 15 SSE 16 SSE 15 SSE
UV Index 3 7 9 9 9 8 5 3
Cloud Cover 100% 25% 35% 25% 25% 23% 25% 26%
Dew Point 69° 71° 66° 66° 66° 65° 64° 64°
Middle Grid line 105 F Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 100° 94° N/A 90°
Low 78° 71° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 13:42 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:26 PM with 13:01 of moolight, then sets at 12:27 PM

Mckinney Weather Report

Dallas: Sizzling Heat to Persist Into Late Week

August 4, 2015; 3:20 PM ET

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

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Tue. Beach & Pool

Tue. UV Index

Tue. Wind Maps