• Tonight

    Jul 27

    Lo 74°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      92°
    • Hi
      RealFeel
      103°
    • Wind
      Speed
      4 mph
  • Thu

    Jul 28

    91°Lo 73°

    A heavy thunderstorm

    Fair for home energy
    • Avg
      RealFeel
      93°
    • Hi
      RealFeel
      110°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Jul 29

    82°Lo 68°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Jul 30

    85°Lo 71°

    A p.m. t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Jul 31

    85°Lo 70°

    Mostly cloudy with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      87°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      5 mph
    more
Next Previous
Next 8 hours >
  Wed
8pm
9pm 10pm 11pm Thu
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 87° 85° 82° 79° 78° 77° 76° 76°
RealFeel® 94° 92° 91° 88° 87° 85° 85° 84°
Humidity 62% 67% 77% 84% 88% 89% 92% 93%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
5%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 4 N 2 NNW 2 NW 2 WSW 2 SW 2 SSW 2 SW 2 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 41% 45% 45% 45% 45% 45% 45% 45%
Dew Point 73° 73° 74° 74° 74° 74° 74° 74°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2015
High 92° 89° N/A 84°
Low 74° 70° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:19 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:41 AM with 13:41 of moolight, then sets at 2:22 PM

Greenbelt Weather Report

Heat wave to deteriorate across northeastern US as downpours unleash up to 2 inches of rain

July 27, 2016; 5:11 PM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. more >

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index