• Early AM

    Sep 17

    Lo 45°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      2 mph
    more
  • Today

    Sep 17

    69°Lo 45°

    Sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      3 mph
    more
  • Thu

    Sep 18

    71°Lo 39°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      7 mph
    more
  • Fri

    Sep 19

    60°Lo 40°

    Mostly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      62°
    • Wind
      Speed
      5 mph
  • Sat

    Sep 20

    70°Lo 57°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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) 46° 48° 52° 55° 56° 58° 59° 60°
RealFeel® 45° 49° 54° 59° 61° 62° 62° 62°
Humidity 57% 50% 44% 40% 36% 34% 33% 33%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 NNE 6 NE 6 ENE 6 ENE 6 ENE 6 E 6 E 6 E
UV Index 1 2 4 4 5 4 4 2
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 32° 30° 30° 30° 30° 30° 30° 31°
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 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 60° 71° N/A 78°
Low 40° 51° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 12:20 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:07 AM with 14:12 of moolight, then sets at 4:19 PM

Top Story

Londonderry Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 16, 2014; 1:15 PM 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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index