• Early AM

    Sep 23

    Lo 45°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      3 mph
    more
  • Today

    Sep 23

    72°Lo 49°

    Cool in the morning; sunny

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      3 mph
  • Wed

    Sep 24

    76°Lo 54°

    Partly sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 25

    73°Lo 54°

    Mostly cloudy, rain possible

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Sep 26

    77°Lo 53°

    Sunny to partly cloudy

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      3 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Clear
Clear
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 47° 45° 47° 51° 54° 59° 64° 66°
RealFeel® 46° 45° 47° 51° 56° 63° 70° 72°
Humidity 79% 82% 84% 74% 70% 58% 50% 43%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 2 NNW 2 NNW 2 NNW 2 NW 3 NNW 3 NNW 3 NNW 3 NNW
UV Index 0 0 0 0 1 3 4 5
Cloud Cover 0% 0% 0% 10% 10% 10% 10% 10%
Dew Point 41° 40° 43° 43° 44° 44° 45° 43°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 72° 77° N/A 66°
Low 49° 56° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 12:08 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:21 AM with 12:22 of moolight, then sets at 6:43 PM

Top Story

Frederick Weather Report

DC: September Temperature Roller Coaster to Continue

September 22, 2014; 1:29 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. 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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index