• Tonight

    Aug 20

    Lo 65°

    Rather cloudy with a t-storm

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Aug 21

    87°Lo 66°

    Couple of showers, t-storms

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

    Aug 22

    83°Lo 66°

    Couple of thunderstorms

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

    Aug 23

    77°Lo 63°

    Cooler with a shower or two

    Low ragweed pollen levels
    • Precip
      61%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    77°Lo 61°

    More clouds than sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      88%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Cloudy
T-storms
T-storms
T-storms
Mostly Cloudy
Partly Cloudy
T-storms
Mostly Cloudy
Temp (°F) 84° 88° 82° 73° 73° 75° 74° 73°
RealFeel® 91° 89° 82° 79° 85° 84° 82° 79°
Humidity 67% 51% 58% 97% 100% 91% 100% 92%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
10%
 
58%
 
64%
 
57%
 
49%
 
49%
 
54%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 8 S 10 S 8 S 6 NW 0 0 0 0
UV Index 4 4 3 2 2 1 0 0
Cloud Cover 85% 75% 95% 100% 75% 67% 70% 75%
Dew Point 72° 68° 66° 72° 73° 72° 74° 71°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 88° 86° N/A 84°
Low 65° 66° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:33 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:05 AM with 14:36 of moolight, then sets at 4:41 PM

Top Story

Frederick Weather Report

DC: Downpour, Flooding Risk to Increase

August 20, 2014; 12:00 PM ET

A wedge of dry air will slowly erode at midweek and will allow drenching showers and thunderstorms to survive the trip into Washington, D.C., from the Midwest. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps