• Tonight

    Sep 22

    Lo 44°

    Clear and chilly

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 23

    72°Lo 49°

    Cool in the morning; sunny

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

    Sep 24

    76°Lo 54°

    Partly sunny and comfortable

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 25

    73°Lo 54°

    Variable cloudiness

    Moderate ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Fri

    Sep 26

    77°Lo 53°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
8pm
9pm 10pm 11pm Tue
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 58° 55° 54° 52° 50° 49° 48° 47°
RealFeel® 54° 52° 53° 51° 49° 48° 48° 47°
Humidity 60% 65% 69% 73% 75% 78% 78% 78%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
0%
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 7 NNW 5 NNW 3 NW 2 NW 2 NNW 2 NNW 2 NNW 2 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point 44° 43° 44° 43° 42° 42° 42° 41°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 73° 78° N/A 72°
Low 44° 57° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 12:10 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:25 AM with 12:48 of moolight, then sets at 6:13 PM

Top Story

Frederick Weather Report

DC: September Temperature Roller Coaster to Continue

September 22, 2014; 1:29 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps