• Today

    Jul 23

    92°Lo 71°

    A t-storm late this afternoon

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

    Jul 24

    81°Lo 62°

    A couple of thunderstorms

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

    Jul 25

    84°Lo 62°

    Sunny and pleasant

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

    Jul 26

    88°Lo 70°

    Sun, some clouds

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

    Jul 27

    89°Lo 70°

    Some sun, a t-storm possible

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 88° 89° 91° 91° 92° 91° 90° 83°
RealFeel® 100° 100° 100° 100° 99° 95° 93° 88°
Humidity 56% 53% 50% 48% 48% 49% 52% 76%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
7%
 
9%
 
14%
 
14%
 
18%
 
43%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 5 SW 5 SW 5 WSW 5 WSW 6 SW 6 SW 5 WSW 5 WSW
UV Index 7 8 7 6 4 3 1 0
Cloud Cover 19% 28% 47% 49% 50% 51% 53% 70%
Dew Point 71° 70° 69° 69° 70° 70° 70° 75°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 92° 88° 102° (2011) 89°
Low 71° 71° 56° (1890) 76°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 14:28 of sunlight, then sets at 8:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:19 AM with 14:36 of moolight, then sets at 5:55 PM

Top Story

Rockville Weather Report

DC: Another Cooldown to Follow Midweek Storms

July 23, 2014; 4:32 AM ET

Just when it was starting to feel like the dog days of summer again, another push of cool air is taking aim on the Washington, D.C., area. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Wed. Snow Day Potential