• Today

    Sep 21

    77°Lo 59°

    A passing shower or two

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      5 mph
  • Mon

    Sep 22

    70°Lo 43°

    Breezy with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Sep 23

    69°Lo 45°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      6 mph
    more
  • Wed

    Sep 24

    67°Lo 42°

    A full day of sunshine

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 25

    70°Lo 49°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Showers
Showers
Cloudy
Cloudy
Cloudy
Showers
Showers
Mostly Cloudy
Temp (°F) 57° 59° 60° 62° 66° 68° 72° 75°
RealFeel® 54° 55° 59° 61° 64° 66° 71° 76°
Humidity 98% 98% 96% 98% 92% 86% 79% 75%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
55%
 
59%
 
49%
 
43%
 
47%
 
51%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 2 N 3 N 3 N 3 SSE 4 SSE 5 S 6 S 6 S
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 97% 98% 95% 98% 91% 90% 90% 89%
Dew Point 57° 58° 59° 61° 63° 64° 65° 66°
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 Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 77° 71° N/A 77°
Low 59° 48° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 12:13 of sunlight, then sets at 6:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:02 AM with 13:20 of moolight, then sets at 5:22 PM

Top Story

Lancaster Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 AM ET

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