• Today

    May 6

    76°Lo 48°

    Partly sunny

    Very Good for stargazing
    • Cloud
      Cover
      0%
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Thu

    May 7

    82°Lo 53°

    Mostly sunny and pleasant

    Good for stargazing
    • Cloud
      Cover
      11%
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Fri

    May 8

    79°Lo 54°

    Partly sunny and pleasant

    Very Good for stargazing
    • Cloud
      Cover
      51%
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Sat

    May 9

    82°Lo 61°

    Mostly sunny and very warm

    Poor for stargazing
    • Cloud
      Cover
      64%
    • Precip
      14%
    • Hours of Precip
      0
    more
  • Sun

    May 10

    85°Lo 62°

    Clouds and sun with a t-storm

    Poor for stargazing
    • Cloud
      Cover
      94%
    • Precip
      68%
    • Hours of Precip
      7.5
Next Previous
Hi 85° RealFeel® 86° Precipitation 59%

Day

N

E

S

W

  • WSW 12 mph
  • Gusts: 17 mph

Times of sun and clouds with a shower or thunderstorm around; very warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 62° RealFeel® 64° Precipitation 68%

Night

N

E

S

W

  • NNW 6 mph
  • Gusts: 13 mph

Warm and humid with periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs

Temperature History - May 10

more Historical Weather Data >
  Today Normal Record 5/10/2014
High 85° 67° N/A 79°
Low 62° 44° N/A 55°

Solunar Information for Chelmsford, MA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:29 AM with 14:26 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:49 AM with 10:34 of moolight, then sets at 11:23 AM

Mon, May 11
Last
Mon, May 18
New
Mon, May 25
First
Tue, Jun 2
Full

Chelmsford Weather Report

Boston: Summerlike Warmth to Return This Weekend

May 6, 2015; 1:17 AM ET

Following spotty showers and thunderstorms at midweek, warmth will return to the Boston area by this weekend. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Sun. Stargazing