• Today

    Apr 21

    71°Lo 43°

    Clouds breaking and warmer

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      6 mph
  • Tue

    Apr 22

    67°Lo 44°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Apr 23

    60°Lo 34°

    A morning shower; cooler

    Fair for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      14 mph
    more
  • Thu

    Apr 24

    60°Lo 36°

    Sunshine and windy

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      16 mph
    more
  • Fri

    Apr 25

    64°Lo 43°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Clear
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 34° 33° 39° 39° 45° 50° 57° 63°
RealFeel® 35° 34° 40° 41° 48° 54° 61° 68°
Humidity 76% 74% 70% 62% 51% 39% 30% 24%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 1 S 2 S 2 S 2 SSW 3 S 5 S 6 S 6 SSW
UV Index 0 0 0 1 2 3 4 5
Cloud Cover 6% 19% 22% 62% 71% 75% 78% 77%
Dew Point 27° 26° 30° 27° 28° 26° 26° 26°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 71° 60° N/A 54°
Low 43° 39° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:39 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:05 AM with 10:10 of moolight, then sets at 11:15 AM

Top Story

Derry Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 21, 2014; 4:57 AM ET

After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day. 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index