• Today

    Dec 21

    41°Lo 26°

    Clouds giving way to some sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      42°
    • UV
      2 - Low
    • Cloud
      Cover
      61%
    more
  • Mon

    Dec 22

    39°Lo 34°

    Cloudy with rain developing

    Beneficial weather for migraines
    • Hi
      RealFeel
      37°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
  • Tue

    Dec 23

    46°Lo 43°

    Mostly cloudy and damp

    Neutral weather for migraines
    • Hi
      RealFeel
      46°
    • UV
      1 - Low
    • Cloud
      Cover
      93%
    more
  • Wed

    Dec 24

    60°Lo 47°

    Rain and a t-storm; warmer

    Neutral weather for migraines
    • Hi
      RealFeel
      54°
    • UV
      1 - Low
    • Cloud
      Cover
      99%
    more
  • Thu

    Dec 25

    52°Lo 33°

    Partly sunny and windy

    Neutral weather for migraines
    • Hi
      RealFeel
      44°
    • UV
      2 - Low
    • Cloud
      Cover
      34%
    more
Next Previous
Drizzle 36° Lo 34° RealFeel® 34° / 33°

N

E

S

W

  • Precipitation: 48%
  • Rain: 0.01 in
  • Snow: 0 in
  • Humidity: 91%
  • Cloud Cover: 89%
  • Dew Point: 33° F
  • Visibility: 10 mi
5 mph

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 39° 44° 71° (2013) 71°
Low 34° 26° (1989) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:25 AM with 9:26 of sunlight, then sets at 4:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:37 AM with 10:20 of moolight, then sets at 5:57 PM

Herndon Weather Report

DC: Christmas Eve Storm to Affect Holiday Travel This Week

December 21, 2014; 1:10 PM ET

Holiday travel will be at risk across the Washington D.C. area this week as a strong storm takes shape and blasts through the region. more >

Mon. Migraine Headache

Mon. UV Index