• Tonight

    Aug 30

    Lo 72°

    Partly cloudy and humid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      7 mph
  • Sun

    Aug 31

    89°Lo 73°

    An afternoon thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Sep 1

    87°Lo 71°

    Clouds and sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Sep 2

    92°Lo 72°

    A p.m. t-storm in spots

    Fair for home energy
    • Avg
      RealFeel
      85°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Sep 3

    86°Lo 65°

    Mostly sunny and warm

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 68° 70° 72° 75° 78° 79° 80° 81°
RealFeel® 66° 70° 72° 76° 78° 81° 83° 83°
Humidity 85% 80% 74% 69% 65% 63% 62% 61%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
5%
 
5%
 
5%
 
5%
 
5%
 
6%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 SE 5 SSE 6 SSE 7 SSE 7 S 8 S 8 SSE 9 SSE
UV Index 0 1 1 3 2 3 5 4
Cloud Cover 89% 92% 96% 92% 95% 90% 68% 63%
Dew Point 64° 64° 64° 64° 65° 66° 66° 66°
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

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2013
High 82° 86° 97° (1953) 81°
Low 72° 69° 46° (1986) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:07 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:15 AM with 11:00 of moolight, then sets at 10:15 PM

Top Story

Chesapeake Beach Weather Report

DC: Summer Heat to Hold Beyond Labor Day

August 30, 2014; 7:05 PM ET

Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Washington, D.C., with a prolonged stretch of summer heat underway. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index