• Early AM

    Sep 16

    Lo 49°

    A little rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      2 mph
    more
  • Today

    Sep 16

    67°Lo 47°

    Clearing, a little rain

    Poor for home energy
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      3 mph
    more
  • Wed

    Sep 17

    69°Lo 47°

    Sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      3 mph
  • Thu

    Sep 18

    69°Lo 40°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      7 mph
    more
  • Fri

    Sep 19

    60°Lo 39°

    Mostly sunny and cooler

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      63°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 49° 48° 47° 48° 50° 54° 59° 63°
RealFeel® 48° 47° 46° 47° 50° 56° 63° 69°
Humidity 87% 89% 90% 89% 82% 71% 59% 50%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 2 NW 2 NW 2 NW 2 WNW 2 WNW 3 WNW 3 WNW 4 WNW
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 11% 11% 11% 11% 0% 0% 0% 0%
Dew Point 45° 44° 44° 45° 45° 45° 44° 44°
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

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 69° 72° N/A 65°
Low 47° 52° N/A 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 12:25 of sunlight, then sets at 6:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:18 AM with 14:47 of moolight, then sets at 3:05 PM

Top Story

Derry Weather Report

Boston: Much of Week to Be Dry, Cool

September 16, 2014; 1:48 AM ET

Rainfall will 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index