• Today

    Mar 3

    30°Lo 26°

    Cold with sun, some clouds

    Good for home energy
    • Avg
      RealFeel
      29°
    • Hi
      RealFeel
      37°
    • Wind
      Speed
      4 mph
    more
  • Wed

    Mar 4

    39°Lo 21°

    Showers of rain and snow

    Fair for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      7 mph
  • Thu

    Mar 5

    27°Lo 3°

    Colder with a little snow

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
      15°
    • Wind
      Speed
      12 mph
    more
  • Fri

    Mar 6

    25°Lo 12°

    Mostly cloudy and very cold

    Very Good for home energy
    • Avg
      RealFeel
      17°
    • Hi
      RealFeel
      29°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Mar 7

    35°Lo 23°

    Considerable cloudiness

    Good for home energy
    • Avg
      RealFeel
      23°
    • Hi
      RealFeel
      29°
    • Wind
      Speed
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Rain & Snow
Rain & Snow
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Rain & Snow
Temp (°F) 34° 34° 36° 36° 36° 37° 37° 38°
RealFeel® 25° 26° 31° 32° 32° 33° 34° 32°
Humidity 84% 84% 81% 77% 75% 75% 75% 73%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
56%
 
56%
 
21%
 
16%
 
21%
 
37%
 
40%
 
44%
Snow
 
51%
 
51%
 
39%
 
33%
 
36%
 
43%
 
47%
 
51%
Ice
 
62%
 
62%
 
28%
 
23%
 
15%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 7 SSW 7 SW 7 SW 7 SW 7 SW 6 WSW 7 WSW 7 WSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 99% 99% 99% 100% 100% 99% 99% 99%
Dew Point 30° 30° 30° 30° 29° 29° 30° 30°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 39° 41° N/A 28°
Low 21° 24° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 11:21 of sunlight, then sets at 5:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:54 PM with 13:05 of moolight, then sets at 5:59 AM

Londonderry Weather Report

Boston: Storm to Accompany Midweek Warmup

March 2, 2015; 8:08 PM ET

The warmest weather since the middle of January will surge into the Boston area at midweek with temperatures forecast to reach the middle 40s F. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index