• Today

    Jul 31

    86°Lo 63°

    Mostly sunny and less humid

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      9 mph
    more
  • Sat

    Aug 1

    85°Lo 60°

    Sun, some clouds

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      8 mph
    more
  • Sun

    Aug 2

    85°Lo 65°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
  • Mon

    Aug 3

    88°Lo 66°

    Some sun, then clouds

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Aug 4

    84°Lo 61°

    A thunderstorm in the area

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      10 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
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 72° 75° 79° 81° 83° 84° 84° 85°
RealFeel® 74° 78° 83° 86° 87° 87° 87° 86°
Humidity 63% 53% 47% 43% 39% 36% 35% 35%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WSW 7 WSW 8 WSW 8 WSW 9 WSW 10 WSW 10 SW 9 SW
UV Index 3 4 5 6 7 6 5 4
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 25%
Dew Point 59° 57° 57° 57° 55° 54° 54° 55°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 85° 82° N/A 75°
Low 65° 63° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:28 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:24 PM with 12:03 of moolight, then sets at 9:27 AM

Derry Weather Report

Boston: Dry Weather Bouncing Back Good for Some but Not for All

July 31, 2015; 2:30 PM ET

Dry, sunny weather will bounce back into the greater Boston area after a cold front passed through early Friday morning. 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