• Tonight

    Dec 20

    Lo 27°

    Partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      43°
    • UV
      1 - Low
    • Air Qual.
      Good
  • Sun

    Dec 21

    44°Lo 30°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      48°
    • UV
      2 - Low
    • Air Qual.
      Moderate
    more
  • Mon

    Dec 22

    41°Lo 34°

    Rain, some ice early

    Beneficial weather for asthma
    • Hi
      RealFeel
      44°
    • UV
      1 - Low
    • Air Qual.
      Moderate
    more
  • Tue

    Dec 23

    44°Lo 43°

    Mostly cloudy and damp

    Beneficial weather for asthma
    • Hi
      RealFeel
      47°
    • UV
      1 - Low
    • Cloud
      Cover
      94%
    more
  • Wed

    Dec 24

    58°Lo 40°

    Rain and a thunderstorm

    Neutral weather for asthma
    • Hi
      RealFeel
      50°
    • UV
      1 - Low
    • Cloud
      Cover
      99%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10pm
11pm Sun
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 29° 27° 29° 29° 29° 30° 30° 30°
RealFeel® 32° 31° 32° 32° 32° 32° 33° 32°
Humidity 68% 69% 64% 63% 63% 62% 61% 62%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 0 0 1 SSE 1 E 1 E 1 E 1 E 1 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 67% 61% 66% 69% 57% 46% 46% 46%
Dew Point 19° 19° 18° 18° 18° 18° 18° 18°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 36° 42° N/A 55°
Low 27° 26° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:28 AM with 9:25 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:43 AM with 10:19 of moolight, then sets at 4:02 PM

Winchester Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 20, 2014; 1:50 PM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sat. Air Quality

Sat. Asthma Risk

Sat. UV Index