• Tonight

    Sep 19

    Lo 57°

    Mostly cloudy

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

    Sep 20

    80°Lo 58°

    Intervals of clouds and sun

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

    Sep 21

    85°Lo 60°

    An afternoon thunderstorm

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

    Sep 22

    72°Lo 50°

    Partly sunny and not as warm

    Moderate ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      26%
    more
  • Tue

    Sep 23

    73°Lo 53°

    Mostly sunny and nice

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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11pm Sat
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Forecast
Mostly Cloudy
Cloudy
Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 63° 62° 61° 60° 60° 59° 58° 58°
RealFeel® 59° 59° 58° 58° 58° 57° 57° 57°
Humidity 80% 83% 86% 89% 91% 93% 93% 93%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
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Snow
 
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Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 6 ESE 6 ESE 5 ESE 4 ESE 3 SE 3 SE 2 E 2 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 75% 64% 54% 47% 90% 83% 76% 76%
Dew Point 57° 57° 57° 57° 57° 57° 56° 56°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 73° 78° 96° (1895) 78°
Low 57° 61° 44° (1916) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:18 of sunlight, then sets at 7:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:38 AM with 13:58 of moolight, then sets at 4:36 PM

Top Story

Chevy Chase Section Three Weather Report

DC: September Temperature Roller Coaster to Continue

September 19, 2014; 12:00 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps