• Tonight

    May 4

    Lo 49°

    Cloudy with a few showers

    Travel Weather
    • Rain
      0.46 in
    • Wind
      Speed
      5 mph
    • T-storms
      20%
  • Thu

    May 5

    56°Lo 49°

    A brief shower or two

    Excellent for travel
    • Rain
      0.41 in
    • Wind
      Speed
      7 mph
    • T-storms
      20%
    more
  • Fri

    May 6

    57°Lo 49°

    Periods of rain

    Very Good for travel
    • Rain
      0.34 in
    • Wind
      Speed
      7 mph
    • T-storms
      0%
    more
  • Sat

    May 7

    67°Lo 55°

    Warmer with a passing shower

    Excellent for travel
    • Rain
      0.25 in
    • Wind
      Speed
      6 mph
    • T-storms
      20%
    more
  • Sun

    May 8

    69°Lo 46°

    A morning thunderstorm

    Excellent for travel
    • Rain
      0.15 in
    • Wind
      Speed
      15 mph
    • T-storms
      40%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
7pm
8pm 9pm 10pm 11pm Thu
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Showers
Cloudy
Showers
Showers
Cloudy
Showers
Cloudy
Showers
Temp (°F) 59° 56° 55° 54° 54° 53° 52° 51°
RealFeel® 54° 55° 51° 50° 54° 48° 52° 47°
Humidity 76% 81% 83% 88% 89% 90% 92% 92%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
51%
 
49%
 
67%
 
67%
 
44%
 
52%
 
44%
 
54%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 6 NNE 5 NE 5 NE 5 NE 5 ENE 5 ENE 5 ENE 5 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 99% 99% 99% 100% 99% 99% 99%
Dew Point 51° 50° 50° 51° 51° 50° 50° 49°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 60° 70° N/A 84°
Low 49° 51° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:59 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:49 AM with 12:51 of moolight, then sets at 5:40 PM

Rockville Weather Report

When will the rainy weather end in the northeastern US?

May 4, 2016; 5:35 PM ET

With the return of wet weather in the Northeast, many people are asking: When will the rain go away? more >

Travel Weather Forecast

May 04, 2016; 10:05 AM ET United States travel weather forecast

Weather Related Flight Delays

Wed. Travel Weather

Flight Tracker