• Early AM

    Apr 30

    Lo 47°

    Drizzle

    Driving Weather
    • Precip
      45%
    • Hours of Precip
      1.5
    • Rain
      0.04 in
    more
  • Today

    Apr 30

    61°Lo 51°

    Mostly cloudy

    Very Good for driving
    • Precip
      66%
    • Hours of Precip
      5.5
    • Rain
      0.41 in
  • Sun

    May 1

    66°Lo 57°

    Cloudy with occasional rain

    Fair for driving
    • Precip
      55%
    • Hours of Precip
      1.5
    • Rain
      0.14 in
    more
  • Mon

    May 2

    71°Lo 49°

    Clearing, a couple of showers

    Very Good for driving
    • Precip
      16%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Tue

    May 3

    65°Lo 50°

    Clouds and sun

    Excellent for driving
    • Precip
      23%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 53° 55° 57° 58° 60° 61° 61° 61°
RealFeel® 55° 59° 62° 63° 64° 64° 64° 62°
Humidity 77% 71% 67% 62% 60% 60% 60% 60%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
24%
 
20%
 
20%
 
16%
 
7%
 
7%
 
7%
 
7%
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 ENE 5 ENE 5 E 5 E 5 E 5 ESE 5 ESE 6 SE
UV Index 1 2 2 3 2 2 1 1
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 46° 46° 46° 45° 46° 47° 47° 47°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 61° 69° N/A 72°
Low 51° 50° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:50 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:15 AM with 10:51 of moolight, then sets at 1:06 PM

Rockville Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

April 30, 2016; 4:05 AM ET

Expanding rainfall will bring good news and bad news for people in the northeastern United States into early next week. more >

Travel Weather Forecast

Apr 29, 2016; 11:42 PM ET United States travel weather forecast

Sat. Travel Weather

48 Hour Precipitation Forecast

Sat. Driving Weather