• Mon

    Jul 28

    85°Lo 62°

    A thunderstorm or two

    Frizz Forecast Weather
    • Wind
      Gust
      18 mph
    • Precip
      59%
    • Hours of Precip
      1.5
    more
  • Tue

    Jul 29

    80°Lo 60°

    Brilliant sunshine and nice

    Frizz Forecast Weather
    • Wind
      Gust
      12 mph
    • Precip
      17%
    • Hours of Precip
      0
    more
  • Wed

    Jul 30

    83°Lo 58°

    Partly sunny

    Frizz Forecast Weather
    • Wind
      Gust
      6 mph
    • Precip
      20%
    • Hours of Precip
      0
  • Thu

    Jul 31

    83°Lo 66°

    Cloudy

    Frizz Forecast Weather
    • Wind
      Gust
      9 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Fri

    Aug 1

    83°Lo 61°

    Considerable clouds

    Frizz Forecast Weather
    • Wind
      Gust
      22 mph
    • Precip
      25%
    • Hours of Precip
      6
    more
Next Previous
Hi 83° RealFeel® 90° Precipitation 20%

Day

N

E

S

W

  • N 2 mph
  • Gusts: 6 mph

Partly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 17%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 56° Precipitation 1%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2013
High 83° 88° 99° (1953) 85°
Low 58° 71° 56° (1914) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 14:15 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:36 AM with 12:29 of moolight, then sets at 10:05 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 History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.