• Today

    May 30

    87°Lo 67°

    Times of sun and clouds

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      13 mph
    more
  • Sun

    May 31

    73°Lo 47°

    Cooler with periods of rain

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      9 mph
  • Mon

    Jun 1

    56°Lo 46°

    Colder with periods of rain

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      53°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Jun 2

    53°Lo 44°

    Clearing and a few showers

    Poor for home energy
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      58°
    • Wind
      Speed
      8 mph
    more
  • Wed

    Jun 3

    67°Lo 49°

    Sunny, pleasant and warmer

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Rain
Rain
Cloudy
Rain
Rain
Rain
Rain
Cloudy
Temp (°F) 73° 71° 70° 69° 67° 64° 62° 61°
RealFeel® 70° 68° 71° 67° 66° 63° 58° 60°
Humidity 70% 73% 71% 74% 76% 79% 80% 82%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
64%
 
64%
 
49%
 
58%
 
58%
 
65%
 
65%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 10 SW 9 SW 8 SW 8 SW 7 SW 6 WNW 8 NNE 10 NNE
UV Index 1 2 3 3 3 2 2 2
Cloud Cover 95% 95% 95% 95% 95% 95% 95% 95%
Dew Point 63° 62° 60° 60° 60° 58° 56° 56°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2014
High 73° 74° N/A 66°
Low 47° 51° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:13 AM with 15:03 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:15 PM with 10:27 of moolight, then sets at 4:42 AM

Lancaster Weather Report

Weekend to End Wet, Much Cooler in Boston

May 30, 2015; 3:37 PM ET

Following only limited rainfall during much of May, the weekend will end wet around Boston with a significant cooldown. 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