• Tonight

    Feb 10

    Lo 19°

    Partly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      36°
    • UV
      2 - Low
    • Cloud
      Cover
      97%
    more
  • Thu

    Feb 11

    29°Lo 8°

    Snow showers; windy, colder

    Beneficial weather for migraines
    • Hi
      RealFeel
      10°
    • UV
      2 - Low
    • Cloud
      Cover
      90%
  • Fri

    Feb 12

    25°Lo 14°

    Partly sunny and cold

    Beneficial weather for migraines
    • Hi
      RealFeel
      20°
    • UV
      2 - Low
    • Cloud
      Cover
      51%
    more
  • Sat

    Feb 13

    19°Lo -3°

    A snow squall in the morning

    Beneficial weather for migraines
    • Hi
      RealFeel
    • UV
      2 - Low
    • Cloud
      Cover
      75%
    more
  • Sun

    Feb 14

    12°Lo 1°

    Frigid with periods of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
Next Previous
Mostly cloudy 21° Lo 14° RealFeel® 11° / 6°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 49%
  • Cloud Cover: 76%
  • Dew Point: 1° F
  • Visibility: 10 mi
9 mph

Temperature History - Feb 11

more Historical Weather Data >
  Today Normal Record 2/11/2015
High 29° 37° N/A 22°
Low 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 10:24 of sunlight, then sets at 5:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:31 AM with 12:35 of moolight, then sets at 9:06 PM

Chelmsford Weather Report

Boston: Polar vortex to smack region during Valentine's Day weekend

February 10, 2016; 9:02 PM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Boston area during Valentine's Day weekend. more >

Thu. Migraine Headache

Thu. UV Index