• Tonight

    Sep 1

    Lo 71°

    Clear and humid

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      98°
    more
  • Wed

    Sep 2

    92°Lo 72°

    Plenty of sunshine

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      96°
    more
  • Thu

    Sep 3

    93°Lo 74°

    Partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      97°
  • Fri

    Sep 4

    94°Lo 74°

    Partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      96°
    more
  • Sat

    Sep 5

    95°Lo 75°

    Sunny to partly cloudy

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      99°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 78° 81° 84° 87° 88° 90° 91° 93°
RealFeel® 86° 91° 95° 97° 97° 96° 96° 96°
Humidity 80% 72% 64% 56% 52% 48% 44% 41%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 SSE 7 S 7 SSE 8 SSE 9 SSE 10 SE 9 SE 10 SSE
UV Index 2 4 6 8 8 7 6 4
Cloud Cover 26% 26% 33% 40% 45% 45% 45% 45%
Dew Point 72° 71° 71° 70° 69° 68° 67° 66°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 93° 89° N/A 96°
Low 74° 67° N/A 75°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:02 AM with 12:47 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:33 PM with 13:54 of moolight, then sets at 1:27 PM

Mckinney Weather Report

Dallas: Summer Heat to Continue Into September

September 1, 2015; 5:45 PM ET

The new month will bring the same dry and hot weather to Dallas, a continuation of the weather pattern that has been in place since the start of July more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Thu. Degree Days

Thu. Evapotranspiration