• Today

    Jul 31

    85°Lo 65°

    Sun followed by some clouds

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Fri

    Aug 1

    79°Lo 64°

    Cloudy spells with showers

    Good for driving
    • Precip
      66%
    • Hours of Precip
      5.5
    • Rain
      0.35 in
  • Sat

    Aug 2

    80°Lo 67°

    Mostly cloudy with a t-storm

    Fair for driving
    • Precip
      55%
    • Hours of Precip
      2
    • Rain
      0.18 in
    more
  • Sun

    Aug 3

    78°Lo 65°

    Mostly cloudy with a t-storm

    Fair for driving
    • Precip
      56%
    • Hours of Precip
      6.5
    • Rain
      1.24 in
    more
  • Mon

    Aug 4

    85°Lo 64°

    Warmer with a thunderstorm

    Good for driving
    • Precip
      55%
    • Hours of Precip
      1
    • Rain
      0.10 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Showers
Showers
Mostly Cloudy
Showers
Cloudy
Cloudy
Showers
Temp (°F) 73° 75° 76° 78° 78° 78° 79° 79°
RealFeel® 76° 78° 81° 85° 83° 83° 82° 80°
Humidity 74% 71% 67% 64% 62% 60% 59% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
51%
 
61%
 
49%
 
61%
 
49%
 
49%
 
54%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 3 S 4 SSW 4 SSW 4 SSW 4 SSW 4 SSW 4 S 5 SE
UV Index 2 3 4 5 5 4 3 2
Cloud Cover 81% 80% 81% 83% 87% 90% 91% 91%
Dew Point 65° 65° 65° 65° 64° 64° 64° 64°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2013
High 79° 88° 100° (2011) 83°
Low 64° 71° 54° (1895) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:11 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:28 AM with 11:38 of moolight, then sets at 11:06 PM

Top Story

Rockville Weather Report

DC, Baltimore: Rain to Dampen Weekend Plans

July 31, 2014; 3:00 AM ET

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

Travel Weather Forecast

Jul 31, 2014; 6:14 AM ET United States travel weather forecast

Fri. Travel Weather

48 Hour Precipitation Forecast

Fri. Driving Weather