• Today

    Feb 14

    10°Lo -7°

    Mostly sunny and frigid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    Feb 15

    26°Lo 22°

    Snow late in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Feb 16

    52°Lo 31°

    Windy and warmer with rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Feb 17

    45°Lo 26°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Feb 18

    37°Lo 14°

    Colder; p.m. snow showers

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 10° RealFeel® 1° Precipitation 3%

Day

N

E

S

W

  • WNW 10 mph
  • Gusts: 18 mph

Mostly sunny and frigid; extreme cold can be dangerous for outdoor activities in the morning

  • 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 -7° RealFeel® -4° Precipitation 0%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 8 mph

Clear and very cold; extreme cold can be dangerous for outdoor activities late

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

Chelmsford Pollen Levels - February 14

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold Pollen

    Low

  • Grass Pollen

    Low

Temperature History - Feb 14

more Historical Weather Data >
  Today Normal Record 2/14/2015
High 10° 38° N/A 22°
Low -7° 19° N/A -14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 10:32 of sunlight, then sets at 5:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:23 AM with 14:12 of moolight, then sets at 12:35 AM

Chelmsford Weather Report

Boston: Flood threat to follow frigid Valentine's Day weekend

February 14, 2016; 5:45 AM ET

A sharp warmup and flood threat will follow the frigid Valentine’s Day weekend in Boston. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps