• Early AM

    Sep 19

    Lo 39°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      6 mph
    more
  • Today

    Sep 19

    59°Lo 38°

    Mostly sunny and cooler

    Poor for home energy
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      64°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Sep 20

    70°Lo 58°

    Warmer

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      66°
    • Wind
      Speed
      12 mph
    more
  • Sun

    Sep 21

    76°Lo 55°

    Some sun, then clouds

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      5 mph
  • Mon

    Sep 22

    67°Lo 41°

    Partly sunny and not as warm

    Poor for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      66°
    • Wind
      Speed
      9 mph
    more
Next Previous
Mostly cloudy 62° Lo 55° RealFeel® 59° / 50°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 92%
  • Cloud Cover: 73%
  • Dew Point: 57° F
  • Visibility: 9 mi
6 mph

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 76° 70° N/A 76°
Low 55° 50° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:14 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 13:21 of moolight, then sets at 5:21 PM

Top Story

Londonderry Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 19, 2014; 2:10 AM ET

Rainfall will continue to be scarce around Boston this week, but cool air will be plentiful. 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