• Tonight

    Jul 23

    Lo 70°

    A thunderstorm in spots early

    Common Cold Weather
    • Avg
      Temp
      83°
    • Avg
      RealFeel
      87°
    • Hi
      RealFeel
      102°
  • Sun

    Jul 24

    95°Lo 75°

    Mostly sunny and hot

    Beneficial weather for colds
    • Avg
      Temp
      85°
    • Avg
      RealFeel
      92°
    • Hi
      RealFeel
      103°
    more
  • Mon

    Jul 25

    98°Lo 74°

    Some sun, hot; a p.m. t-storm

    Beneficial weather for colds
    • Avg
      Temp
      86°
    • Avg
      RealFeel
      94°
    • Hi
      RealFeel
      107°
    more
  • Tue

    Jul 26

    94°Lo 73°

    Clouds and sun; hot and humid

    Beneficial weather for colds
    • Avg
      Temp
      84°
    • Avg
      RealFeel
      87°
    • Hi
      RealFeel
      100°
    more
  • Wed

    Jul 27

    93°Lo 71°

    Partly sunny and hot

    Beneficial weather for colds
    • Avg
      Temp
      82°
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      99°
    more
Next Previous
Next 8 hours >
  Sat
9pm
10pm 11pm Sun
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Cloudy
Mostly Cloudy
Cloudy
T-storms
Mostly Clear
Mostly Clear
Clear
Clear
Temp (°F) 86° 84° 81° 79° 78° 76° 74° 73°
RealFeel® 89° 89° 87° 81° 83° 81° 78° 76°
Humidity 59% 67% 73% 76% 81% 83% 83% 86%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
12%
 
16%
 
47%
 
51%
 
47%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 5 WNW 5 WNW 5 NW 4 NW 4 NNW 4 NW 4 NNW 2 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 90% 81% 65% 44% 25% 10% 2% 2%
Dew Point 70° 72° 72° 71° 72° 71° 69° 68°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2015
High 96° 85° N/A 81°
Low 70° 69° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 14:26 of sunlight, then sets at 8:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:51 PM with 12:11 of moolight, then sets at 11:02 AM

Rockville Weather Report

'Virtually no relief' from heat in store for eastern US into end of July

July 23, 2016; 5:05 PM ET

Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month. more >

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Sat. Cold & Flu

Sat. UV Index