• Today

    Sep 21

    83°Lo 60°

    Humid with sun and clouds

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      4 mph
  • Mon

    Sep 22

    72°Lo 50°

    Mostly sunny and not as warm

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Sep 23

    69°Lo 51°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      4 mph
    more
  • Wed

    Sep 24

    75°Lo 60°

    Partly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 25

    72°Lo 59°

    Variable cloudiness

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Temp (°F) 65° 67° 70° 73° 77° 80° 81° 83°
RealFeel® 63° 67° 71° 76° 82° 84° 86° 85°
Humidity 98% 93% 82% 73% 64% 56% 50% 48%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
1%
 
4%
 
4%
 
5%
 
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) 5 NNW 4 NE 5 NNE 5 NNW 5 N 5 N 4 N 4 NNW
UV Index 0 1 2 3 4 5 5 4
Cloud Cover 80% 77% 73% 66% 55% 53% 49% 46%
Dew Point 64° 65° 64° 64° 64° 63° 61° 61°
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 - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 83° 77° N/A 80°
Low 60° 60° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:12 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:28 AM with 13:12 of moolight, then sets at 5:40 PM

Top Story

Montross Weather Report

DC: September Temperature Roller Coaster to Continue

September 21, 2014; 4:44 AM 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index