• Today

    Sep 1

    92°Lo 69°

    A shower or thunderstorm

    Poor for running
    • Precip
      55%
    • Hours of Precip
      2.5
    • Wind
      Gust
      8 mph
  • Tue

    Sep 2

    92°Lo 67°

    An afternoon thunderstorm

    Good for running
    • Precip
      55%
    • Hours of Precip
      1.5
    • Wind
      Gust
      13 mph
    more
  • Wed

    Sep 3

    86°Lo 62°

    Mostly sunny and warm

    Very Good for running
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Thu

    Sep 4

    89°Lo 66°

    Mostly sunny

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

    Sep 5

    91°Lo 69°

    Sunny, hot and more humid

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
11pm
Tue
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 73° 72° 71° 71° 70° 69° 70° 69°
RealFeel® 76° 74° 73° 72° 71° 69° 70° 69°
Humidity 90% 90% 92% 91% 91% 90% 90% 90%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
32%
 
32%
 
22%
 
3%
 
3%
 
3%
 
3%
 
3%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 2 SW 2 SW 2 SW 2 WNW 2 WNW 2 W 2 WNW 2 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 70° 69° 69° 68° 67° 66° 67° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 92° 84° N/A 90°
Low 69° 64° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:03 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:20 PM with 10:22 of moolight, then sets at 11:42 PM

Top Story

Frederick Weather Report

DC: Warm Week for Back to School, Work

September 1, 2014; 10:14 AM ET

While temperatures and humidity levels will fluctuate slightly from day to day this week, unseasonable warmth will continue into next weekend around Washington, D.C. 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.