• Early AM

    Jun 1

    Lo 63°

    Partly to mostly cloudy

    Running Weather
    • Precip
      11%
    • Hours of Precip
      0
    • Wind
      Gust
      5 mph
    more
  • Today

    Jun 1

    85°Lo 63°

    Intervals of clouds and sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
  • Thu

    Jun 2

    79°Lo 67°

    A thunderstorm in spots

    Very Good for running
    • Precip
      60%
    • Hours of Precip
      1.5
    • Wind
      Gust
      6 mph
    more
  • Fri

    Jun 3

    81°Lo 62°

    Rather cloudy with a t-storm

    Fair for running
    • Precip
      56%
    • Hours of Precip
      2
    • Wind
      Gust
      6 mph
    more
  • Sat

    Jun 4

    81°Lo 66°

    Partly sunny

    Good for running
    • Precip
      60%
    • Hours of Precip
      2.5
    • Wind
      Gust
      8 mph
    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
Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 63° 64° 64° 66° 69° 73° 77° 80°
RealFeel® 66° 67° 67° 67° 74° 81° 85° 88°
Humidity 100% 100% 100% 96% 89% 79% 65% 55%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
1%
 
1%
 
1%
 
3%
 
7%
 
7%
 
7%
 
7%
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) 1 NNW 2 NNW 2 N 4 NNE 2 N 4 NE 4 ENE 5 E
UV Index 0 0 0 0 1 3 4 6
Cloud Cover 60% 46% 46% 46% 46% 46% 46% 46%
Dew Point 63° 64° 64° 65° 66° 67° 64° 63°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2015
High 85° 81° N/A 90°
Low 63° 60° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:45 of sunlight, then sets at 8:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:23 AM with 13:06 of moolight, then sets at 4:29 PM

Greenbelt Weather Report

Bout of cooler air to interrupt summerlike warmth across northeastern US

June 1, 2016; 3:34 AM ET

Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week. 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.