• Today

    Jul 30

    84°Lo 71°

    Showers and a heavier t-storm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Jul 31

    87°Lo 70°

    Couple of thunderstorms

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 1

    89°Lo 68°

    Clouds and sun with a t-storm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Aug 2

    85°Lo 64°

    Periods of sun

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Aug 3

    85°Lo 67°

    Periods of sun

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
T-storms
Cloudy
Cloudy
Cloudy
Temp (°F) 79° 82° 83° 84° 79° 80° 80° 80°
RealFeel® 90° 94° 98° 99° 89° 94° 92° 89°
Humidity 79% 73% 74% 74% 91% 88% 86% 82%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
7%
 
7%
 
7%
 
10%
 
51%
 
47%
 
45%
 
49%
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) 6 SSE 6 SSE 7 SSE 7 SSE 7 SSE 6 SSE 6 SE 6 SSE
UV Index 4 5 6 6 4 3 2 1
Cloud Cover 58% 45% 45% 45% 90% 91% 90% 90%
Dew Point 72° 72° 74° 74° 76° 76° 75° 74°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2015
High 84° 84° N/A 90°
Low 71° 69° N/A 73°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:13 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:00 AM with 14:36 of moolight, then sets at 5:36 PM

Rockville Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 10:21 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

48 Hour Precipitation Forecast

Sat. Snow Day Potential