• Tonight

    Aug 31

    Lo 69°

    A thunderstorm in the area

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

    Sep 1

    80°Lo 61°

    Not as warm with a t-storm

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

    Sep 2

    79°Lo 63°

    Partly sunny and less humid

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

    Sep 3

    70°Lo 61°

    Rain possible in the p.m.

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

    Sep 4

    67°Lo 61°

    Mostly cloudy, rain possible

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 89° RealFeel® 95° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 13 mph

Periods of clouds and sunshine, very warm and humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 18%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 69° RealFeel® 69° Precipitation 43%

Night

N

E

S

W

  • W 5 mph
  • Gusts: 8 mph

Partly cloudy and humid with a shower or thunderstorm in spots

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 89° 81° N/A 88°
Low 69° 65° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:03 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:48 AM with 13:31 of moolight, then sets at 7:19 PM

Rockville Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 8:05 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

48 Hour Precipitation Forecast

Wed. Snow Day Potential