• Tonight

    Jun 29

    Lo 60°

    Clear

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

    Jun 30

    83°Lo 66°

    Mostly sunny

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

    Jul 1

    86°Lo 64°

    A t-storm in the afternoon

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

    Jul 2

    83°Lo 63°

    Partly sunny

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

    Jul 3

    79°Lo 62°

    Partly sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 65° 63° 62° 60° 62° 64° 67° 71°
RealFeel® 65° 64° 63° 60° 63° 66° 70° 77°
Humidity 82% 85% 84% 95% 87% 83% 79% 71%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 WNW 4 NW 4 NW 2 NW 2 NNW 2 N 4 NNE 4 NE
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 10% 10% 10% 10% 10% 10% 11% 12%
Dew Point 59° 59° 57° 58° 58° 58° 60° 61°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Jun 30

more Historical Weather Data >
  Today Normal Record 6/30/2015
High 83° 85° N/A 88°
Low 66° 68° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:52 of sunlight, then sets at 8:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:41 AM with 13:53 of moolight, then sets at 4:34 PM

Rockville Weather Report

Dry weather to dominate July Fourth weekend from Chicago to NYC, Boston

June 29, 2016; 5:43 PM ET

While downpours could come calling at the start and finish of the July Fourth weekend in the northeastern United States, the vast majority of the time will be dry. more >

48 Hour Precipitation Forecast

Thu. Snow Day Potential