• Tonight

    Aug 30

    Lo 64°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      6 mph
    more
  • Mon

    Aug 31

    89°Lo 64°

    Sunshine, warm and humid

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Sep 1

    85°Lo 62°

    Humid with plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      6 mph
  • Wed

    Sep 2

    91°Lo 66°

    Mostly sunny and hot

    Poor for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      6 mph
    more
  • Thu

    Sep 3

    88°Lo 64°

    Partly sunny, a t-storm; warm

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      4 mph
    more
Next Previous
Hi 85° RealFeel® 92° Precipitation 13%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 9 mph

Humid with plenty of sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 63° Precipitation 7%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 85° 78° N/A 87°
Low 62° 56° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:10 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:11 PM with 13:34 of moolight, then sets at 10:45 AM

North Chelmsford Weather Report

Boston: Sizzling Heat to Start September

August 30, 2015; 6:06 PM ET

September will get off to a hot and humid start around Boston this week. 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.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index