• Today

    Aug 4

    86°Lo 62°

    A few t-storms, some severe

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Aug 5

    82°Lo 58°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 6

    80°Lo 59°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Aug 7

    78°Lo 58°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 8

    73°Lo 59°

    Mostly cloudy, a little rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 80° RealFeel® 83° Precipitation 10%

Day

N

E

S

W

  • NW 8 mph
  • Gusts: 12 mph

Times of clouds and sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 60° Precipitation 10%

Night

N

E

S

W

  • WNW 2 mph
  • Gusts: 7 mph

Clearing

  • 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 - Aug 6

more Historical Weather Data >
  Today Normal Record 8/6/2014
High 80° 82° N/A 83°
Low 59° 61° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:18 of sunlight, then sets at 8:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:51 PM with 14:14 of moolight, then sets at 2:05 PM

Chelmsford Weather Report

Severe Weather Targets Boston, Atlantic City Tuesday

August 4, 2015; 11:52 AM ET

A cold front will ignite severe thunderstorms from New England to the Delmarva Peninsula on Tuesday in the third consecutive day of unsettled weather for the region. more >

Thu. Dust & Dander

Thu. Wind Maps