• Today

    Dec 21

    43°Lo 26°

    Clouds giving way to some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Dec 22

    40°Lo 35°

    Cloudy with rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Dec 23

    46°Lo 43°

    Mainly cloudy and damp

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Dec 24

    57°Lo 45°

    Rain; breezy, not as cool

    Low ragweed pollen levels
    • Precip
      75%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      99%
    more
  • Thu

    Dec 25

    51°Lo 33°

    Partly sunny; windy, cooler

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      37%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8pm
9pm 10pm 11pm Mon
12am
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Clear
Mostly Clear
Clear
Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Temp (°F) 31° 29° 29° 28° 28° 28° 26° 28°
RealFeel® 31° 30° 30° 30° 30° 30° 27° 29°
Humidity 74% 75% 75% 75% 76% 76% 83% 76%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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Snow
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 2 ENE 2 NE 2 NE 2 NE 2 NE 1 NE 2 NE 2 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 7% 10% 7% 5% 10% 25% 45%
Dew Point 23° 22° 22° 21° 22° 21° 21° 21°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 43° 43° N/A 66°
Low 26° 29° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:26 AM with 9:24 of sunlight, then sets at 4:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 AM with 10:14 of moolight, then sets at 4:54 PM

Frederick Weather Report

DC: Christmas Eve Storm to Affect Holiday Travel This Week

December 21, 2014; 3:10 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 >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps