• Early AM

    Aug 1

    Lo 65°

    Clear

    Migraine Headache Weather
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Cloud
      Cover
      16%
    more
  • Today

    Aug 1

    86°Lo 61°

    Sun mixing with clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Cloud
      Cover
      26%
    more
  • Sun

    Aug 2

    88°Lo 67°

    Sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Cloud
      Cover
      46%
  • Mon

    Aug 3

    92°Lo 67°

    Partly sunny and hot

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      18%
    more
  • Tue

    Aug 4

    89°Lo 67°

    A thunderstorm in the area

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Cloud
      Cover
      69%
    more
Next Previous
Partly to mostly cloudy 71° Lo 67° RealFeel® 70° / 65°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 75%
  • Cloud Cover: 47%
  • Dew Point: 61° F
  • Visibility: 10 mi
5 mph

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 88° 88° 99° (2002) 79°
Low 67° 65° 52° (1998) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:09 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:47 PM with 12:07 of moolight, then sets at 9:54 AM

Herndon Weather Report

DC, Baltimore: Hot, Dry Weather to Last Through Weekend

August 1, 2015; 12:16 AM ET

Humidity will ease across the region, but there is not much relief in sight for the hot weather. more >

Sun. Migraine Headache

Sun. UV Index