• Early AM

    Jul 28

    Lo 73°

    Partly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      102°
    • UV
      5 - High
    • Cloud
      Cover
      45%
    more
  • Today

    Jul 28

    91°Lo 72°

    A heavy thunderstorm

    Neutral weather for migraines
    • Hi
      RealFeel
      109°
    • UV
      5 - High
    • Cloud
      Cover
      93%
  • Fri

    Jul 29

    83°Lo 68°

    A couple of thunderstorms

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      4 - Moderate
    • Cloud
      Cover
      85%
    more
  • Sat

    Jul 30

    86°Lo 69°

    Thundershower

    Beneficial weather for migraines
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Cloud
      Cover
      81%
    more
  • Sun

    Jul 31

    84°Lo 68°

    A couple of thunderstorms

    Beneficial weather for migraines
    • Hi
      RealFeel
      94°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
T-storms
Temp (°F) 77° 76° 75° 74° 74° 73° 74° 77°
RealFeel® 85° 84° 82° 81° 81° 79° 82° 84°
Humidity 89% 93% 93% 94% 97% 99% 93% 91%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
7%
 
7%
 
7%
 
6%
 
5%
 
5%
 
8%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 W 4 WSW 4 W 4 W 4 WNW 4 WNW 2 WNW 2 WNW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 70%
Dew Point 74° 74° 73° 73° 73° 73° 72° 74°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 28

more Historical Weather Data >
  Today Normal Record 7/28/2015
High 91° 88° 99° (1993) 90°
Low 72° 66° 47° (1977) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 14:18 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:43 AM with 13:41 of moolight, then sets at 2:24 PM

Herndon Weather Report

Heat wave to deteriorate across northeastern US as downpours unleash up to 2 inches of rain

July 27, 2016; 11:11 PM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. more >

Thu. Migraine Headache

Thu. UV Index