• Early AM

    Mar 4

    Lo 39°

    Brief showers

    Snow Days Weather
    • Snow
      10%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Mar 4

    46°Lo 27°

    Rain, warmer; fog in the a.m.

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

    Mar 5

    32°Lo 8°

    Colder with snow

    Likely for a snow day
    • Snow
      91%
    • Ice
      0%
    • Snow
      5.01 in
    more
  • Fri

    Mar 6

    29°Lo 12°

    Sunny, but very cold

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

    Mar 7

    42°Lo 26°

    Partly sunny and not as cold

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Showers
Showers
Showers
Fog
Rain
Rain
Cloudy
Rain
Temp (°F) 41° 41° 41° 43° 44° 44° 45° 45°
RealFeel® 36° 35° 35° 43° 42° 41° 44° 42°
Humidity 85% 84% 85% 71% 72% 74% 76% 77%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
60%
 
63%
 
68%
 
49%
 
64%
 
64%
 
46%
 
54%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 6 SSW 6 SW 6 SW 4 SW 4 SW 5 WSW 6 NW 6 S
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 98% 98% 80% 100% 99% 99% 99% 99%
Dew Point 36° 37° 37° 34° 35° 36° 38° 38°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 46° 51° 79° (1974) 29°
Low 27° 29° -1° (2014) -1°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 11:27 of sunlight, then sets at 6:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:21 PM with 12:59 of moolight, then sets at 6:20 AM

Gaithersburg Weather Report

DC, Baltimore: Snowstorm to Follow Midweek Warmup

March 4, 2015; 3:34 AM ET

Temperatures will slip back into the 30s Wednesday night and Thursday around Washington, D.C. and Baltimore, setting the stage for a snowstorm. 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

Wed. Snow Day Potential