• Tonight

    Feb 11

    Lo 10°

    Turning clear and frigid

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 12

    30°Lo 16°

    Turning cloudy and cold

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

    Feb 13

    21°Lo 6°

    Windy and very cold

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

    Feb 14

    23°Lo 10°

    Sunny, but very cold

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

    Feb 15

    32°Lo 24°

    A little afternoon snow

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 12° 14° 16° 18° 19° 21° 23°
RealFeel® 10° 14° 17° 18° 19° 21°
Humidity 32% 28% 25% 22% 20% 19% 19% 20%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
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0%
Snow
 
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1%
Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 9 NW 9 NW 8 NW 8 NW 7 NW 7 NW 6 NW 6 NW
UV Index 1 2 3 3 3 2 1 0
Cloud Cover 2% 2% 0% 0% 3% 10% 10% 10%
Dew Point -15° -16° -16° -17° -17° -17° -16° -13°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F

Temperature History - Feb 14

more Historical Weather Data >
  Today Normal Record 2/14/2015
High 23° 46° N/A 37°
Low 10° 28° N/A 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 10:42 of sunlight, then sets at 5:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:54 AM with 14:00 of moolight, then sets at 12:54 AM

Frederick Weather Report

DC, Baltimore: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 8:58 PM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Washington, D.C., and Baltimore areas during Valentine's Day weekend. more >

Sun. Dust & Dander

Sun. Wind Maps