• Tonight

    Aug 21

    Lo 74°

    Areas of low clouds

    Migraine Headache Weather
    • Hi
      RealFeel
      97°
    • UV
      9 - Very High
    • Cloud
      Cover
      25%
  • Fri

    Aug 22

    96°Lo 74°

    Sunny to partly cloudy

    Neutral weather for migraines
    • Hi
      RealFeel
      100°
    • UV
      9 - Very High
    • Cloud
      Cover
      25%
    more
  • Sat

    Aug 23

    97°Lo 75°

    Mostly sunny and seasonable

    Neutral weather for migraines
    • Hi
      RealFeel
      100°
    • UV
      9 - Very High
    • Cloud
      Cover
      11%
    more
  • Sun

    Aug 24

    97°Lo 74°

    Mostly sunny and hot

    Neutral weather for migraines
    • Hi
      RealFeel
      100°
    • UV
      9 - Very High
    • Cloud
      Cover
      11%
    more
  • Mon

    Aug 25

    98°Lo 75°

    Mostly sunny and hot

    Neutral weather for migraines
    • Hi
      RealFeel
      102°
    • UV
      9 - Very High
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Sunny
Sunny
Temp (°F) 88° 89° 91° 93° 95° 95° 99° 99°
RealFeel® 91° 95° 95° 96° 96° 96° 97° 96°
Humidity 59% 57% 50% 41% 36% 36% 26% 24%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 16 S 12 SSW 16 S 13 S 15 S 12 S 14 SSW 12 SSE
UV Index 5 6 8 9 8 7 5 3
Cloud Cover 35% 56% 45% 35% 35% 19% 0% 0%
Dew Point 72° 72° 70° 66° 64° 64° 59° 57°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 99° N/A N/A 97°
Low 74° N/A N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 13:12 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:31 AM with 13:59 of moolight, then sets at 5:30 PM

Top Story

Sunnyvale Weather Report

Dallas: Sunshine and Warmth to Remain into Next Week

August 21, 2014; 8:56 PM ET

A seasonably hot weather pattern across the Dallas area will remain through the weekend with a large ridge of high pressure in place across the Deep South. more >

Thu. Migraine Headache

Thu. UV Index