• Today

    Dec 19

    35°Lo 22°

    Sun mixing with clouds

    Good for home energy
    • Avg
      RealFeel
      25°
    • Hi
      RealFeel
      30°
    • Wind
      Speed
      7 mph
    more
  • Sat

    Dec 20

    35°Lo 25°

    Sunshine giving way to clouds

    Good for home energy
    • Avg
      RealFeel
      30°
    • Hi
      RealFeel
      35°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Dec 21

    34°Lo 26°

    Some sun

    Good for home energy
    • Avg
      RealFeel
      32°
    • Hi
      RealFeel
      37°
    • Wind
      Speed
      2 mph
  • Mon

    Dec 22

    39°Lo 31°

    Increasing cloudiness

    Fair for home energy
    • Avg
      RealFeel
      34°
    • Hi
      RealFeel
      40°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Dec 23

    43°Lo 37°

    Mostly cloudy, rain possible

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      40°
    • Wind
      Speed
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Flurries
Partly Cloudy
Partly Sunny
Temp (°F) 27° 27° 27° 26° 26° 25° 25° 26°
RealFeel® 27° 27° 27° 26° 25° 26° 25° 26°
Humidity 77% 78% 80% 81% 82% 83% 83% 81%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
11%
 
11%
 
15%
 
34%
 
37%
 
40%
 
18%
 
14%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 2 N 2 N 4 N 4 N 4 N 4 N 4 N 4 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 70% 70% 70% 70% 70% 45% 45%
Dew Point 21° 21° 21° 21° 21° 20° 21° 21°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 34° 38° N/A 55°
Low 26° 19° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 9:04 of sunlight, then sets at 4:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:24 AM with 9:58 of moolight, then sets at 4:22 PM

Lancaster Weather Report

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

December 19, 2014; 2:08 AM ET

Following benign weather this weekend, a major storm will affect Boston, much of the East and Midwest on Christmas Eve. 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