• Today

    Jun 29

    82°Lo 60°

    Clouds and sun; less humid

    Excellent for driving
    • Precip
      8%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Thu

    Jun 30

    83°Lo 66°

    Mostly sunny

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
  • Fri

    Jul 1

    85°Lo 66°

    A t-storm in the afternoon

    Very Good for driving
    • Precip
      55%
    • Hours of Precip
      0.5
    • Rain
      0.05 in
    more
  • Sat

    Jul 2

    83°Lo 60°

    Partly sunny

    Excellent for driving
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Jul 3

    82°Lo 62°

    Partly sunny

    Excellent for driving
    • Precip
      12%
    • Hours of Precip
      0.5
    • Rain
      0.01 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 63° 60° 63° 64° 68° 72° 75° 78°
RealFeel® 63° 61° 64° 66° 70° 77° 82° 87°
Humidity 85% 98% 89% 84% 79% 71% 60% 56%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
1%
 
1%
 
1%
 
1%
 
2%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 NW 2 NW 2 NNW 2 N 4 NNE 4 NE 4 ENE 4 E
UV Index 0 0 0 1 2 3 5 6
Cloud Cover 10% 10% 10% 10% 11% 12% 25% 25%
Dew Point 58° 59° 59° 59° 61° 62° 60° 61°
Middle Grid line 80 F 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; 8:01 AM 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 >

Travel Weather Forecast

Jun 29, 2016; 11:01 AM ET United States travel weather forecast

Thu. Travel Weather

48 Hour Precipitation Forecast

Thu. Driving Weather