• Tonight

    Feb 26

    Lo 6°

    Evening flurries; very cold

    Migraine Headache Weather
    • Hi
      RealFeel
      18°
    • UV
      2 - Low
    • Cloud
      Cover
      93%
    more
  • Fri

    Feb 27

    24°Lo 1°

    Clouds breaking and very cold

    Beneficial weather for migraines
    • Hi
      RealFeel
      24°
    • UV
      3 - Moderate
    • Cloud
      Cover
      67%
    more
  • Sat

    Feb 28

    26°Lo 5°

    Plenty of sunshine

    Neutral weather for migraines
    • Hi
      RealFeel
      30°
    • UV
      4 - Moderate
    • Cloud
      Cover
      1%
    more
  • Sun

    Mar 1

    32°Lo 24°

    Becoming cloudy and cold

    Neutral weather for migraines
    • Hi
      RealFeel
      36°
    • UV
      3 - Moderate
    • Cloud
      Cover
      44%
  • Mon

    Mar 2

    36°Lo 8°

    A little snow in the morning

    Neutral weather for migraines
    • Hi
      RealFeel
      26°
    • UV
      2 - Low
    • Cloud
      Cover
      88%
    more
Next Previous
Hi 32° RealFeel® 36° Precipitation 7%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 9 mph

Becoming cloudy and cold

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 24° RealFeel® 19° Precipitation 77%

Night

N

E

S

W

  • SW 7 mph
  • Gusts: 12 mph

Considerable clouds with snow overspreading the area, accumulating 1-3 inches

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0.11 in
  • Rain: 0 in
  • Snow: 1.6 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 0 hrs

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 32° 42° N/A 33°
Low 24° 22° N/A -2°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 11:13 of sunlight, then sets at 5:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:04 PM with 14:20 of moolight, then sets at 4:24 AM

Chelmsford Weather Report

Boston: Less Extreme Cold in Store Next Week

February 26, 2015; 12:55 PM ET

While prolonged warmth for the Boston area is still a long way off, temperatures will recover to less extreme levels next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Migraine Headache

Sun. UV Index