1 - 5 of 45 days | All 45 days
Next 5 Days
  • Today

    May 23

    Mostly sunny 65°Lo 44°
    more
  • Sun

    May 24

    Mostly sunny and warmer 82°Lo 55°
    more
  • Mon

    May 25

    Times of clouds and sun 82°Lo 63°
    more
  • Tue

    May 26

    A t-storm in the afternoon 87°Lo 65°
  • Wed

    May 27

    Partly sunny and very warm 86°Lo 64°
    more
Hi 87° RealFeel® 90° Precipitation 51%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 20 mph

Partly sunny with a thunderstorm in the afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 65° RealFeel® 62° Precipitation 55%

Night

N

E

S

W

  • SW 10 mph
  • Gusts: 17 mph

A passing evening shower; otherwise, cloudy and warm

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - May 26

more Historical Weather Data >
  Today Normal Record 5/26/2014
High 87° 72° N/A 77°
Low 65° 49° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:14 AM with 14:57 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:23 PM with 12:40 of moolight, then sets at 2:03 AM

Chelmsford Weather Report

Boston: Temperatures to Ride Roller Coaster Into Memorial Day

May 23, 2015; 5:05 AM ET

Temperatures will remain on a roller coaster ride around the Boston area through the Memorial Day holiday weekend. more >