• Today

    Dec 18

    42°Lo 30°

    Partly sunny; breezy, colder

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

    Dec 19

    44°Lo 27°

    Times of sun and clouds

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

    Dec 20

    42°Lo 31°

    Mostly cloudy

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

    Dec 21

    46°Lo 30°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      29%
    more
  • Mon

    Dec 22

    44°Lo 37°

    Some sun, then turning cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      84%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Clear
Clear
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 35° 34° 35° 36° 38° 40° 40° 41°
RealFeel® 20° 20° 21° 24° 26° 28° 30° 30°
Humidity 52% 55% 52% 49% 47% 45% 44% 43%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 17 NW 16 NW 16 NW 15 NW 16 NW 17 WNW 16 WNW 17 WNW
UV Index 0 0 0 1 1 2 2 2
Cloud Cover 29% 1% 5% 9% 13% 18% 26% 26%
Dew Point 19° 19° 19° 19° 19° 20° 20° 20°
Middle Grid line 45 F 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 42° 44° N/A 37°
Low 30° 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 18, 2014; 2:05 AM 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps