• Today

    May 24

    62°Lo 43°

    Windy and colder

    Good for running
    • Precip
      55%
    • Hours of Precip
      0.5
    • Wind
      Gust
      23 mph
    more
  • Sat

    May 25

    69°Lo 43°

    Partly sunny and windy

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
  • Sun

    May 26

    69°Lo 45°

    Bright sunshine and pleasant

    Excellent for running
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Mon

    May 27

    75°Lo 49°

    Sunny and pleasant

    Excellent for running
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Tue

    May 28

    79°Lo 61°

    Pleasant with clouds and sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      5
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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) 54° 56° 60° 63° 64° 66° 68° 69°
RealFeel® 48° 53° 59° 63° 65° 66° 68° 68°
Humidity 50% 43% 37% 33% 31% 29% 28% 27%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
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) 14 NW 15 NW 15 NW 15 NW 15 NW 16 NW 16 NW 15 NW
UV Index 3 5 6 7 8 7 6 5
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 36° 34° 33° 33° 33° 33° 34° 34°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2012
High 69° 78° 94° (1880) 86°
Low 43° 59° 42° (1877) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:35 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:09 PM with 10:05 of moolight, then sets at 7:14 AM

Top Story

Rockville Weather Report

Severe Storms From Washington DC to New York City

May 23, 2013; 7:34 PM ET

The same system that spawned deadly tornadoes in Oklahoma has reached the Northeast. more >

Breaking Weather: Flooding in Texas

May 24, 2013; 6:02 AM ET A cluster of strong storms is bringing flooding to the Junction, Texas area.