• Tonight

    Dec 18

    Lo 26°

    Partly cloudy and breezy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      32°
    • Wind
      Speed
      12 mph
  • Fri

    Dec 19

    34°Lo 21°

    Mostly sunny

    Good for home energy
    • Avg
      RealFeel
      25°
    • Hi
      RealFeel
      29°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Dec 20

    33°Lo 26°

    Partly sunny

    Good for home energy
    • Avg
      RealFeel
      29°
    • Hi
      RealFeel
      33°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Dec 21

    35°Lo 27°

    Partly sunny

    Good for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      4 mph
    more
  • Mon

    Dec 22

    37°Lo 31°

    Turning out cloudy

    Good for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      39°
    • Wind
      Speed
      4 mph
    more
Next Previous
Hi 42° RealFeel® 32° Precipitation 55%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 24 mph

Mostly cloudy; breezy this afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0.0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 26° RealFeel® 12° Precipitation 2%

Night

N

E

S

W

  • NW 14 mph
  • Gusts: 21 mph

Partly cloudy and breezy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 42° 37° N/A 33°
Low 26° 22° N/A 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:11 AM with 9:02 of sunlight, then sets at 4:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 AM with 10:38 of moolight, then sets at 1:55 PM

Derry Weather Report

Boston: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 18, 2014; 4:08 PM ET

Following benign weather this weekend, a major storm will affect Boston, much of the East and Midwest on Christmas Eve. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index