• Early AM

    Mar 4

    Lo 39°

    A shower possible

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Mar 4

    47°Lo 28°

    Rain, warmer; fog in the a.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Mar 5

    32°Lo 9°

    Colder with snow

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

    Mar 6

    28°Lo 15°

    Sunny and quite cold

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      4%
    more
  • Sat

    Mar 7

    41°Lo 25°

    Partly sunny and not as cold

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      33%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Showers
Fog
Showers
Fog
Rain
Rain
Cloudy
Temp (°F) 40° 41° 42° 43° 43° 43° 43° 44°
RealFeel® 34° 33° 36° 35° 38° 37° 38° 43°
Humidity 85% 84% 84% 82% 83% 84% 87% 89%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
40%
 
49%
 
48%
 
56%
 
49%
 
61%
 
61%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 8 SW 9 SW 8 SW 7 SW 7 SW 7 WSW 7 W 6 W
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 98% 97% 91% 93% 91% 95% 96% 99%
Dew Point 36° 37° 37° 38° 38° 39° 39° 41°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 47° 52° 82° (1983) 33°
Low 28° 34° (1873) 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 11:27 of sunlight, then sets at 6:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:21 PM with 12:59 of moolight, then sets at 6:20 AM

Rockville Weather Report

DC, Baltimore: Snowstorm to Follow Midweek Warmup

March 3, 2015; 2:34 PM ET

Temperatures will slip back into the 30s Wednesday night and Thursday around Washington, D.C. and Baltimore, setting the stage for a snowstorm. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps