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  • Early AM

    Jul 29

    Clear Lo 66°
    more
  • Today

    Jul 29

    Mostly sunny, hot and humid 92°Lo 66°
  • Thu

    Jul 30

    A heavy t-storm in the p.m. 92°Lo 66°
    more
  • Fri

    Jul 31

    Sunny and less humid 88°Lo 63°
    more
  • Sat

    Aug 1

    Sunshine 88°Lo 63°
    more
Hi 92° RealFeel® 99° Precipitation 7%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 6 mph

Sunshine and patchy clouds, hot and humid

  • Max UV Index: 7 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 65° Precipitation 8%

Night

N

E

S

W

  • WSW 2 mph
  • Gusts: 5 mph

Mainly clear, warm and humid

  • 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 - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 92° 82° N/A 77°
Low 66° 61° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:35 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:32 PM with 10:10 of moolight, then sets at 4:42 AM

Chelmsford Weather Report

Boston: Dog Days of Summer in Store for Much of Week

July 29, 2015; 2:28 AM ET

Typical hot and humid weather, known as the dog days of summer, is in store for the Boston area during much of this week. more >