• Tonight

    Dec 21

    Lo 27°

    Rather cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      31°
    • Hi
      RealFeel
      33°
    • Wind
      Speed
      5 mph
  • Mon

    Dec 22

    38°Lo 34°

    Some sun, then clouds

    Fair for home energy
    • Avg
      RealFeel
      36°
    • Hi
      RealFeel
      39°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Dec 23

    44°Lo 41°

    Mainly cloudy and misty

    Fair for home energy
    • Avg
      RealFeel
      39°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Dec 24

    57°Lo 52°

    Breezy with rain; not as cool

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      14 mph
    more
  • Thu

    Dec 25

    56°Lo 32°

    A little rain in the morning

    Fair for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      17 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Cloudy
Flurries
Flurries
Snow
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 31° 32° 33° 33° 34° 33° 32° 31°
RealFeel® 28° 28° 32° 33° 32° 31° 31° 30°
Humidity 78% 77% 75% 74% 74% 77% 79% 83%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
2%
 
8%
 
8%
 
8%
 
8%
 
8%
 
5%
Snow
 
36%
 
40%
 
51%
 
54%
 
49%
 
34%
 
34%
 
29%
Ice
 
14%
 
12%
 
8%
 
8%
 
8%
 
8%
 
8%
 
6%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 6 N 6 NNE 5 N 5 NNE 5 NNE 5 NE 5 N 5 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 99% 99% 99% 99% 99% 99% 100%
Dew Point 25° 25° 25° 26° 26° 26° 26° 26°
Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 34° 38° N/A 55°
Low 27° 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: Christmas Eve Storm to Affect Holiday Travel This Week

December 21, 2014; 5:03 PM ET

Holiday travel will be at risk across the Boston area this week as a strong storm takes shape and blasts through the Northeast. 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