• Tue

    Aug 18

    92°Lo 73°

    Couple of thunderstorms

    Hair Frizz Weather
    • Wind
      Gust
      20 mph
    • Precip
      60%
    • Hours of Precip
      3
  • Wed

    Aug 19

    92°Lo 72°

    Cloudy, a thunderstorm; humid

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      59%
    • Hours of Precip
      2
    more
  • Thu

    Aug 20

    91°Lo 72°

    A little afternoon rain

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Fri

    Aug 21

    90°Lo 69°

    Cloudy and less humid

    Hair Frizz Weather
    • Wind
      Gust
      15 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sat

    Aug 22

    88°Lo 73°

    Partly sunny

    Hair Frizz Weather
    • Wind
      Gust
      12 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 92° RealFeel® 94° Precipitation 66%

Day

N

E

S

W

  • NNW 14 mph
  • Gusts: 24 mph

Considerable cloudiness with a couple of showers and a thunderstorm, mainly later; humid

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 46%
  • Precipitation: 0.42 in
  • Rain: 0.42 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 73° RealFeel® 70° Precipitation 60%

Night

N

E

S

W

  • NNW 10 mph
  • Gusts: 20 mph

Considerable cloudiness and humid with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 45%
  • Precipitation: 0.33 in
  • Rain: 0.33 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Aug 18

more Historical Weather Data >
  Today Normal Record 8/18/2014
High 92° 93° N/A 93°
Low 73° 70° N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 13:20 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:31 AM with 12:19 of moolight, then sets at 9:50 PM

Mckinney Weather Report

Dallas: Hot, Dry Conditions to Linger Into Next Week

July 30, 2015; 12:24 AM ET

Temperatures will rest near the century mark in Dallas through late this week, before dipping slightly over the weekend. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.