• Today

    Dec 18

    43°Lo 31°

    Clouds giving way to some sun

    Excellent for driving
    • Precip
      57%
    • Hours of Precip
      1.5
    • Snow
      0.05 in
  • Fri

    Dec 19

    38°Lo 31°

    Sun mixing with clouds

    Excellent for driving
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Dec 20

    41°Lo 36°

    Sunshine giving way to clouds

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      1
    • Rain
      0.01 in
    more
  • Sun

    Dec 21

    42°Lo 36°

    Mostly cloudy

    Excellent for driving
    • Precip
      30%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Dec 22

    45°Lo 39°

    Turning cloudy

    Excellent for driving
    • Precip
      18%
    • Hours of Precip
      4
    • Rain
      0.28 in
    more
Next Previous
Next 8 hours >
  Thu
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Showers
Rain & Snow
Temp (°F) 43° 42° 41° 40° 39° 38° 38° 37°
RealFeel® 38° 34° 35° 36° 35° 34° 30° 32°
Humidity 76% 76% 73% 73% 73% 76% 73% 77%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
15%
 
17%
 
17%
 
22%
 
43%
 
47%
 
51%
 
44%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
43%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 N 10 W 8 W 6 N 6 N 6 N 9 W 8 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 100% 100% 100% 100% 100% 100% 100% 100%
Dew Point 36° 35° 33° 32° 31° 31° 30° 31°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 43° 42° N/A 39°
Low 31° 29° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:02 AM with 9:09 of sunlight, then sets at 4:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:09 AM with 10:42 of moolight, then sets at 1:51 PM

Chatham Weather Report

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

December 18, 2014; 1:08 PM ET

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

Travel Weather Forecast

Dec 18, 2014; 12:26 PM ET United States travel weather forecast

Thu. Travel Weather

48 Hour Precipitation Forecast

Thu. Driving Weather