• Tonight

    Apr 23

    Lo 31°

    Partly cloudy and colder

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Apr 24

    67°Lo 38°

    Sunny; breezy, warmer, nice

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 25

    70°Lo 46°

    A passing shower or two

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 26

    73°Lo 37°

    A thunderstorm in spots

    Low indoor dust & dander levels
    • Precip
      42%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      27%
    more
  • Sun

    Apr 27

    64°Lo 37°

    Breezy with clouds and sun

    Moderate indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Temp (°F) 40° 39° 38° 39° 40° 41° 42° 46°
RealFeel® 28° 26° 25° 26° 27° 30° 33° 40°
Humidity 80% 84% 87% 88% 88% 88% 86% 82%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
1%
 
4%
 
4%
 
4%
 
5%
 
5%
 
8%
 
43%
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) 13 NE 14 NE 14 ENE 15 ENE 15 ENE 12 ESE 10 ESE 9 SE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 4% 10% 24% 45% 65% 78% 86% 90%
Dew Point 34° 35° 34° 36° 37° 38° 38° 41°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 25

more Historical Weather Data >
  Today Normal Record 4/25/2013
High 70° 71° N/A 63°
Low 46° 48° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:38 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:04 AM with 12:14 of moolight, then sets at 4:18 PM

Top Story

Frederick Weather Report

DC: No Signs of Lasting Warmth Just Yet

April 23, 2014; 7:45 PM ET

The weather pattern through this weekend will bring temperatures fairly typical for this time of the year around Washington, D.C. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Dust & Dander

Fri. Wind Maps