• Early AM

    Dec 18

    Lo 31°

    Partly to mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      49°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Today

    Dec 18

    43°Lo 31°

    Partly sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      32°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Fri

    Dec 19

    44°Lo 27°

    Times of sun and clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      39°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Sat

    Dec 20

    42°Lo 32°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      42°
    • UV
      1 - Low
    • Cloud
      Cover
      93%
    more
  • Sun

    Dec 21

    44°Lo 31°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      46°
    • UV
      1 - Low
    • Cloud
      Cover
      67%
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 36° 36° 35° 35° 34° 31° 33° 33°
RealFeel® 32° 33° 32° 31° 30° 27° 29° 29°
Humidity 58% 59% 59% 60% 60% 68% 62% 62%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
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Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 6 WNW 5 WNW 6 WNW 6 WNW 6 WNW 6 WNW 6 WNW 6 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 22° 22° 22° 22° 22° 22° 22° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 43° 44° N/A 37°
Low 31° 29° N/A 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 9:24 of sunlight, then sets at 4:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:37 AM with 10:49 of moolight, then sets at 2:26 PM

Frederick Weather Report

DC: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 17, 2014; 4:05 PM ET

After a weak storm brings spotty light snow and rain to the region this weekend, another storm will threaten major travel disruptions around Washington, D.C., before Christmas. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index