• Tonight

    Sep 15

    Lo 56°

    A passing late-night shower

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      3 mph
  • Tue

    Sep 16

    73°Lo 51°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Sep 17

    72°Lo 53°

    Sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      3 mph
    more
  • Thu

    Sep 18

    73°Lo 49°

    Partly sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Sep 19

    71°Lo 55°

    Pleasant with periods of sun

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      5 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
Cloudy
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 61° 60° 60° 59° 58° 57° 57° 56°
RealFeel® 59° 58° 58° 57° 57° 56° 55° 54°
Humidity 77% 79% 81% 83% 84% 86% 87% 88%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
5%
 
5%
 
8%
 
51%
 
47%
 
36%
 
20%
 
20%
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) 3 NNE 3 NE 3 ENE 3 SE 3 SSW 3 WSW 4 WNW 4 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 73% 63% 55% 96% 94% 93% 90% 82%
Dew Point 53° 53° 54° 54° 54° 53° 53° 52°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 15

more Historical Weather Data >
  Today Normal Record 9/15/2013
High 72° 77° N/A 76°
Low 56° 54° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:51 AM with 12:28 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:42 AM with -13:-53 of moolight, then sets at 1:49 PM

Top Story

Cavetown Weather Report

DC: Much of Week to Be Dry, Cool

September 15, 2014; 7:00 PM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index