• Today

    Mar 4

    44°Lo 28°

    Not as cold with rain

    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

    26°Lo 12°

    Sunny and quite cold

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

    Mar 7

    41°Lo 29°

    Mostly sunny and not as cold

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      20%
    more
  • Sun

    Mar 8

    46°Lo 30°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Rain
Rain
Cloudy
Rain
Cloudy
Rain
Rain
Temp (°F) 40° 40° 41° 42° 43° 44° 44° 43°
RealFeel® 41° 38° 39° 43° 41° 44° 40° 39°
Humidity 94% 94% 93% 92% 90% 89% 91% 91%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
49%
 
56%
 
56%
 
44%
 
52%
 
44%
 
61%
 
61%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 5 S 6 SSW 6 SW 5 WSW 5 SE 5 ENE 5 NE 5 NE
UV Index 1 1 1 1 1 1 0 0
Cloud Cover 99% 99% 99% 98% 99% 99% 99% 100%
Dew Point 38° 38° 39° 40° 40° 41° 41° 40°
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 44° 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 4, 2015; 6:34 AM 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