• Tonight

    Dec 19

    Lo 31°

    Partly cloudy

    Bicycling Weather
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      18 mph
    more
  • Sat

    Dec 20

    41°Lo 34°

    A passing afternoon shower

    Fair for biking
    • Precip
      55%
    • Hours of Precip
      0.5
    • Wind
      Gust
      10 mph
  • Sun

    Dec 21

    42°Lo 35°

    Rain or snow shower

    Fair for biking
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Mon

    Dec 22

    44°Lo 39°

    Some sun, then clouds

    Fair for biking
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Tue

    Dec 23

    49°Lo 43°

    Mostly cloudy, rain possible

    Poor for biking
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      22 mph
    more
Next Previous
Hi 41° RealFeel® 38° Precipitation 55%

Day

N

E

S

W

  • NNE 6 mph
  • Gusts: 10 mph

Mostly cloudy with a passing shower in the afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 34° RealFeel® 31° Precipitation 30%

Night

N

E

S

W

  • NE 6 mph
  • Gusts: 9 mph

Mostly cloudy with a rain and snow shower possible

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 41° 42° N/A 50°
Low 34° 29° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 9:09 of sunlight, then sets at 4:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:14 AM with 10:08 of moolight, then sets at 3:22 PM

Chatham Weather Report

Boston: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 19, 2014; 4:08 PM ET

Following benign weather this weekend, a major storm will affect Boston, much of the East and Midwest on Christmas Eve. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.