• Thu

    Feb 18

    34°Lo 20°

    Mostly sunny and colder

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

    Feb 19

    33°Lo 28°

    Partly sunny

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

    Feb 20

    44°Lo 32°

    Cloudy

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

    Feb 21

    42°Lo 29°

    Mostly cloudy and milder

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

    Feb 22

    44°Lo 19°

    Cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 34° RealFeel® 31° Precipitation 13%

Day

N

E

S

W

  • NNW 9 mph
  • Gusts: 15 mph

Mostly sunny and colder

  • 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 20° RealFeel® 10° Precipitation 58%

Night

N

E

S

W

  • NNW 10 mph
  • Gusts: 14 mph

Mostly cloudy with a little snow at times

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.03 in
  • Rain: 0 in
  • Snow: 0.5 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 0 hrs

Temperature History - Feb 18

more Historical Weather Data >
  Today Normal Record 2/18/2015
High 34° 38° N/A 35°
Low 20° 25° N/A 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 10:45 of sunlight, then sets at 5:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:35 PM with 14:40 of moolight, then sets at 4:15 AM

Chatham Weather Report

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

February 13, 2016; 9:20 AM ET

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