• Today

    Sep 21

    78°Lo 58°

    Heavy rain tapering off

    Beneficial weather for migraines
    • Hi
      RealFeel
      79°
    • UV
      3 - Moderate
    • Cloud
      Cover
      88%
    more
  • Mon

    Sep 22

    69°Lo 42°

    Not as warm in the morning

    Beneficial weather for migraines
    • Hi
      RealFeel
      67°
    • UV
      4 - Moderate
    • Cloud
      Cover
      52%
    more
  • Tue

    Sep 23

    69°Lo 44°

    Mostly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
  • Wed

    Sep 24

    66°Lo 41°

    A full day of sunshine

    Neutral weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      5 - Moderate
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    70°Lo 45°

    Sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 69° RealFeel® 69° Precipitation 0%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 10 mph

Mostly sunny and pleasant

  • Max UV Index: 5 (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 44° RealFeel® 43° Precipitation 4%

Night

N

E

S

W

  • NNE 3 mph
  • Gusts: 6 mph

Clear

  • 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 - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 69° 71° 87° (1965) 62°
Low 44° 46° 28° (1955) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 12:08 of sunlight, then sets at 6:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:56 AM with 12:22 of moolight, then sets at 6:18 PM

Top Story

North Chelmsford Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Tue. Migraine Headache

Tue. UV Index