• Tonight

    May 21

    Lo 65°

    A thunderstorm in spots early

    Common Cold Weather
    • Avg
      Temp
      76°
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      96°
  • Wed

    May 22

    86°Lo 66°

    Thundershower

    Beneficial weather for colds
    • Avg
      Temp
      76°
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      93°
    more
  • Thu

    May 23

    82°Lo 56°

    Showers and a heavier t-storm

    Neutral weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      84°
    more
  • Fri

    May 24

    73°Lo 43°

    Some sun returning; breezy

    Beneficial weather for colds
    • Avg
      Temp
      58°
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      74°
    more
  • Sat

    May 25

    70°Lo 41°

    Mostly sunny and pleasant

    Beneficial weather for colds
    • Avg
      Temp
      56°
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      74°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Partly Cloudy
Partly Cloudy
Clear
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 67° 65° 63° 64° 64° 66° 68° 70°
RealFeel® 65° 63° 63° 64° 64° 66° 67° 72°
Humidity 93% 92% 100% 100% 100% 100% 93% 100%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 2 SW 2 SW 3 SSE 4 SSW 5 SW 3 SSW 6 SSW 6 SW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 38% 31% 0% 100% 100% 100% 100% 100%
Dew Point 64° 63° 63° 64° 64° 66° 66° 70°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 86° 78° N/A 70°
Low 65° 55° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:31 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:34 PM with 11:18 of moolight, then sets at 3:52 AM

Top Story

Frederick Weather Report

Severe Storms to Reach DC, NYC, Albany Thursday

May 21, 2013; 5:20 PM ET

The same storm system responsible for producing violent thunderstorms in Oklahoma recently will reach the Atlantic Seaboard Thursday. more >

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Tue. Cold & Flu

Tue. UV Index