• Tonight

    Jul 31

    Lo 66°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 1

    80°Lo 65°

    Mostly cloudy with showers

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

    Aug 2

    80°Lo 68°

    Mostly cloudy with a t-storm

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

    Aug 3

    79°Lo 65°

    Mostly cloudy with a t-storm

    Low ragweed pollen levels
    • Precip
      56%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      93%
    more
  • Mon

    Aug 4

    86°Lo 65°

    Warmer with a thunderstorm

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
10pm
11pm Fri
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 74° 72° 71° 71° 70° 69° 67° 67°
RealFeel® 70° 69° 68° 68° 67° 66° 65° 64°
Humidity 68% 72% 75% 77% 80% 82% 86% 89%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 5 S 5 S 4 S 4 S 3 SSE 3 SSE 3 S 2 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 64% 59% 56% 84% 80% 76% 76%
Dew Point 63° 63° 63° 63° 63° 63° 63° 63°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 85° 88° 103° (1954) 82°
Low 66° 71° 52° (1895) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:13 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:31 AM with 12:04 of moolight, then sets at 10:35 PM

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July 31, 2014; 1:02 PM ET

Rain will converge along the Atlantic Seaboard this weekend with Washington, D.C., and Baltimore caught in the middle. more >

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Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps