• Today

    May 28

    87°Lo 62°

    Mostly sunny, warm and muggy

    Very Good for running
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
  • Sun

    May 29

    77°Lo 63°

    Not as warm; afternoon rain

    Very Good for running
    • Precip
      67%
    • Hours of Precip
      10
    • Wind
      Gust
      6 mph
    more
  • Mon

    May 30

    82°Lo 62°

    Tropical rainstorm

    Poor for running
    • Precip
      71%
    • Hours of Precip
      4
    • Wind
      Gust
      12 mph
    more
  • Tue

    May 31

    84°Lo 60°

    Partly to mostly sunny

    Very Good for running
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Wed

    Jun 1

    81°Lo 61°

    Mostly sunny

    Very Good for running
    • Precip
      19%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 72° 75° 77° 82° 83° 84°
RealFeel® 75° 81° 85° 90° 91° 92°
Humidity 83% 75% 64% 55% 53% 48%
   
  8am 9am 10am 11am 12pm 1pm
Rain
 
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  8am 9am 10am 11am 12pm 1pm
Wind (mph) 6 SSW 5 SSW 6 SW 6 SW 6 SW 7 SW
UV Index 2 3 5 6 8 8
Cloud Cover 10% 10% 7% 4% 10% 10%
Dew Point 66° 66° 65° 64° 64° 62°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 87° 76° N/A 86°
Low 62° 59° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:40 of sunlight, then sets at 8:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:56 AM with 11:05 of moolight, then sets at 12:01 PM

Rockville Weather Report

Tropical moisture to soak Memorial Day celebrations from DC to NYC, Boston

May 28, 2016; 12:03 PM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.