• Today

    Jun 30

    83°Lo 66°

    Mostly sunny

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

    Jul 1

    84°Lo 65°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Jul 2

    81°Lo 60°

    Sun and some clouds

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Jul 3

    79°Lo 61°

    Partial sunshine

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Jul 4

    82°Lo 68°

    A couple of p.m. t-storms

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Temp (°F) 83° 83° 82° 81° 79° 77° 74° 73°
RealFeel® 89° 88° 85° 82° 78° 75° 72° 72°
Humidity 43% 42% 43% 45% 51% 55% 62% 69%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 5 ENE 5 E 5 ESE 5 SE 5 SE 5 SE 5 SSE 5 SE
UV Index 6 5 3 2 1 0 0 0
Cloud Cover 45% 25% 25% 25% 25% 45% 42% 39%
Dew Point 58° 58° 58° 58° 59° 60° 61° 63°
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 30, 2016; 2:09 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