• Today

    Jul 31

    85°Lo 64°

    Sun followed by some clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Aug 1

    79°Lo 63°

    Variably cloudy with showers

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sat

    Aug 2

    80°Lo 66°

    Mostly cloudy with a t-storm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Aug 3

    80°Lo 64°

    Rather cloudy with a t-storm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 4

    86°Lo 62°

    Warmer with a thunderstorm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 79° RealFeel® 85° Precipitation 66%

Day

N

E

S

W

  • S 4 mph
  • Gusts: 8 mph

Variable clouds with showers; more humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 29%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 63° RealFeel® 61° Precipitation 65%

Night

N

E

S

W

  • NNE 3 mph
  • Gusts: 5 mph

Periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.24 in
  • Rain: 0.24 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2013
High 79° 88° 100° (1980) 85°
Low 63° 65° 54° (1997) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:12 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:29 AM with 11:37 of moolight, then sets at 11:06 PM

Top Story

Gaithersburg Weather Report

DC, Baltimore: Rain to Dampen Weekend Plans

July 31, 2014; 12:02 PM ET

Rain will converge along the Atlantic Seaboard this weekend with Washington, D.C., and Baltimore caught in the middle. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Fri. Snow Day Potential