• Tonight

    May 22

    Lo 39°

    Clear, breezy and chilly

    Migraine Headache Weather
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Cloud
      Cover
      69%
    more
  • Sat

    May 23

    65°Lo 45°

    Mostly sunny

    Neutral weather for migraines
    • Hi
      RealFeel
      67°
    • UV
      7 - High
    • Cloud
      Cover
      11%
    more
  • Sun

    May 24

    81°Lo 55°

    Mostly sunny; breezy, warmer

    Neutral weather for migraines
    • Hi
      RealFeel
      81°
    • UV
      7 - High
    • Cloud
      Cover
      11%
    more
  • Mon

    May 25

    80°Lo 60°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      85°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
  • Tue

    May 26

    86°Lo 64°

    Cloudy, a t-storm in the p.m.

    Beneficial weather for migraines
    • Hi
      RealFeel
      88°
    • UV
      5 - Moderate
    • Cloud
      Cover
      95%
Next Previous
Hi 86° RealFeel® 88° Precipitation 51%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 16 mph

Cloudy with a thunderstorm in the afternoon

  • Max UV Index: 5 (Moderate)
  • 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 64° RealFeel® 63° Precipitation 23%

Night

N

E

S

W

  • SW 7 mph
  • Gusts: 13 mph

Cloudy and warm

  • 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 - May 26

more Historical Weather Data >
  Today Normal Record 5/26/2014
High 86° 72° N/A 77°
Low 64° 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 22, 2015; 5:20 PM ET

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

Tue. Migraine Headache

Tue. UV Index