• Today

    Sep 1

    88°Lo 68°

    A p.m. t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      4 mph
  • Tue

    Sep 2

    90°Lo 68°

    Areas of morning fog

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Sep 3

    85°Lo 60°

    Sunny; less humid in the p.m.

    Poor for home energy
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      7 mph
    more
  • Thu

    Sep 4

    85°Lo 60°

    Mostly sunny and very warm

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      3 mph
    more
  • Fri

    Sep 5

    88°Lo 67°

    Sunny and remaining warm

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 88° RealFeel® 94° Precipitation 45%

Day

N

E

S

W

  • WNW 4 mph
  • Gusts: 9 mph

Very warm and humid with clouds and sun; a shower or thunderstorm in spots late this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 68° RealFeel® 67° Precipitation 25%

Night

N

E

S

W

  • SSW 2 mph
  • Gusts: 4 mph

Partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 9/1/2013
High 88° 78° 96° (2010) 86°
Low 68° 55° 36° (1971) 70°

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 1:02 PM with 10:07 of moolight, then sets at 11:09 PM

Top Story

North Chelmsford Weather Report

Boston: Warm Week for Back to School, Work

September 1, 2014; 11:00 AM ET

While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend around Boston. 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index