• Early AM

    Aug 26

    Lo 72°

    Partly cloudy

    Running Weather
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Today

    Aug 26

    91°Lo 66°

    Partly sunny, hot and humid

    Good for running
    • Precip
      19%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
  • Sat

    Aug 27

    90°Lo 66°

    Mostly sunny and less humid

    Very Good for running
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Sun

    Aug 28

    89°Lo 65°

    Mostly sunny

    Very Good for running
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Mon

    Aug 29

    91°Lo 67°

    Humid with periods of sun

    Good for running
    • Precip
      23%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
Next Previous
Next 8 hours >
  Fri
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 75° 74° 74° 72° 75° 76° 79° 81°
RealFeel® 81° 80° 80° 77° 81° 83° 88° 90°
Humidity 90% 90% 91% 96% 93% 88% 81% 71%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
2%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 1 SSW 2 SW 2 SW 4 SW 4 WSW 5 W 6 WNW 6 WNW
UV Index 0 0 0 0 0 1 2 4
Cloud Cover 22% 26% 26% 26% 33% 37% 33% 26%
Dew Point 72° 71° 72° 71° 72° 72° 73° 71°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 26

more Historical Weather Data >
  Today Normal Record 8/26/2015
High 91° 82° N/A 79°
Low 66° 66° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:14 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:57 AM with 14:33 of moolight, then sets at 3:30 PM

Gaithersburg Weather Report

Is summer heat, humidity over for the northeastern US?

August 26, 2016; 1:12 AM ET

Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States? more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.