• Tonight

    Dec 18

    Lo 30°

    Partly cloudy and breezy

    Hair Frizz Weather
    • Wind
      Gust
      29 mph
    • Precip
      47%
    • Hours of Precip
      0.5
    more
  • Fri

    Dec 19

    39°Lo 30°

    Sun mixing with clouds

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Sat

    Dec 20

    41°Lo 35°

    Sunshine giving way to clouds

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      25%
    • Hours of Precip
      1
    more
  • Sun

    Dec 21

    43°Lo 34°

    Mainly cloudy

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      30%
    • Hours of Precip
      0
  • Mon

    Dec 22

    44°Lo 37°

    Turning cloudy

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      17%
    • Hours of Precip
      4
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 36° 39° 41° 43° 42° 41° 39° 38°
RealFeel® 31° 34° 37° 40° 38° 37° 35° 35°
Humidity 77% 71% 67% 64% 66% 69% 72% 73%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
3%
 
3%
 
3%
 
6%
 
11%
 
11%
 
11%
 
11%
Snow
 
3%
 
3%
 
3%
 
6%
 
11%
 
11%
 
11%
 
11%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 7 NE 7 NE 7 NE 7 NE 7 NNE 7 NNE 6 NNE 6 NNE
UV Index 0 0 1 1 1 0 0 0
Cloud Cover 87% 93% 95% 95% 93% 93% 93% 94%
Dew Point 30° 30° 31° 32° 31° 31° 31° 30°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 43° 42° N/A 52°
Low 34° 27° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 9:07 of sunlight, then sets at 4:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:16 AM with 10:00 of moolight, then sets at 4:16 PM

Truro Weather Report

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

December 18, 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 >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index