• Today

    Jun 29

    82°Lo 60°

    Partly sunny and less humid

    Poor for home energy
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      9 mph
    more
  • Thu

    Jun 30

    83°Lo 66°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      4 mph
  • Fri

    Jul 1

    86°Lo 64°

    A t-storm in the afternoon

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Jul 2

    83°Lo 63°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Jul 3

    79°Lo 62°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 71° 75° 78° 80° 80° 81° 82° 83°
RealFeel® 77° 82° 87° 90° 91° 91° 90° 90°
Humidity 71% 60% 55% 53% 51% 51% 52% 53%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
2%
 
2%
 
2%
 
2%
 
4%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 NE 4 ENE 4 E 4 ESE 4 SE 5 SE 5 SE 5 SE
UV Index 3 5 6 7 8 7 6 5
Cloud Cover 12% 25% 25% 25% 25% 25% 25% 25%
Dew Point 61° 60° 60° 62° 61° 62° 63° 64°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 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; 12:10 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 >

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index