• Tonight

    Aug 21

    Lo 59°

    Partly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Aug 22

    70°Lo 57°

    A brief shower or two

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Aug 23

    74°Lo 54°

    Clouds and sun with a shower

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Aug 24

    79°Lo 54°

    Periods of clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Aug 25

    82°Lo 56°

    Pleasant with plenty of sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8pm
9pm 10pm 11pm Fri
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 66° 64° 63° 63° 62° 62° 62° 61°
RealFeel® 63° 62° 62° 62° 61° 61° 61° 60°
Humidity 79% 86% 88% 88% 90% 90% 89% 90%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
20%
 
20%
 
20%
 
20%
 
20%
 
16%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 4 NNW 3 NNW 3 N 2 NNE 2 NE 2 ENE 2 NNE 2 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 81% 79% 75% 73% 70% 70% 70% 70%
Dew Point 60° 60° 60° 59° 59° 59° 58° 58°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 72° 81° N/A 89°
Low 59° 60° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:41 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 AM with 14:44 of moolight, then sets at 5:07 PM

Top Story

Londonderry Weather Report

Boston: Showers to Retreat This Weekend

August 21, 2014; 5:10 PM ET

Following a surge of humidity and showers to end the week, dry and cooler air will push southward across the Boston areaa this weekend more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Thu. Snow Day Potential