• Today

    Dec 20

    42°Lo 35°

    Mostly cloudy with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Dec 21

    43°Lo 36°

    A little snow at times

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

    Dec 22

    45°Lo 42°

    Some sun, then clouds

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

    Dec 23

    48°Lo 43°

    Mainly cloudy and damp

    Low ragweed pollen levels
    • Precip
      44%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      94%
    more
  • Wed

    Dec 24

    52°Lo 44°

    Windy with rain

    Ragweed Pollen Weather
    • Precip
      84%
    • Wind
      Speed
      23 mph
    • Cloud
      Cover
      98%
    more
Next Previous
Next 8 hours >
  Sat
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Showers
Temp (°F) 35° 35° 35° 36° 36° 37° 37° 35°
RealFeel® 30° 33° 31° 32° 35° 36° 35° 33°
Humidity 72% 73% 76% 79% 82% 76% 76% 89%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
51%
Snow
 
0%
 
3%
 
3%
 
3%
 
3%
 
3%
 
2%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 N 5 N 6 N 6 N 4 N 4 N 5 N 4 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 100% 100% 100% 100% 100% 100% 100% 100%
Dew Point 27° 27° 28° 30° 31° 30° 30° 32°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 42° 42° N/A 50°
Low 35° 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 20, 2014; 4:59 AM ET

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps