• Today

    Sep 19

    73°Lo 56°

    Pleasant with clouds and sun

    Excellent for driving
    • Precip
      4%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Sep 20

    80°Lo 58°

    Periods of sun

    Excellent for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Sep 21

    83°Lo 57°

    A late day or evening t-storm

    Very Good for driving
    • Precip
      57%
    • Hours of Precip
      1.5
    • Rain
      0.15 in
  • Mon

    Sep 22

    72°Lo 47°

    Partly sunny and not as warm

    Excellent for driving
    • Precip
      5%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Tue

    Sep 23

    74°Lo 51°

    Mostly sunny and pleasant

    Excellent for driving
    • Precip
      6%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Hi 83° RealFeel® 85° Precipitation 57%

Day

N

E

S

W

  • WSW 5 mph
  • Gusts: 10 mph

Partly sunny and warm; a late day or evening shower or thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 57° RealFeel® 52° Precipitation 55%

Night

N

E

S

W

  • NW 6 mph
  • Gusts: 10 mph

An evening shower or thunderstorm around; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 83° 77° N/A 74°
Low 57° 54° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 12:13 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:28 AM with 13:14 of moolight, then sets at 5:42 PM

Top Story

Gaithersburg Weather Report

DC: Remainder of Week to Be Dry, Cool

September 19, 2014; 2:11 AM ET

Rainfall will continue to be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Travel Weather Forecast

Sep 19, 2014; 1:01 PM ET United States travel weather forecast

Sun. Driving Weather