• Tonight

    Apr 27

    Lo 36°

    Mainly cloudy and breezy

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

    Apr 28

    55°Lo 36°

    Breezy with partial sunshine

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

    Apr 29

    61°Lo 37°

    Warmer with clouds and sun

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

    Apr 30

    59°Lo 38°

    Times of clouds and sun

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

    May 1

    49°Lo 39°

    Colder with a shower possible

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9pm
10pm 11pm Tue
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 42° 42° 41° 40° 39° 39° 38° 37°
RealFeel® 31° 29° 28° 29° 29° 31° 30° 28°
Humidity 79% 83% 84% 84% 86% 85% 84% 85%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
7%
 
7%
 
7%
 
7%
 
5%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 16 NNW 18 NNW 18 NNW 16 NNW 13 NNW 9 NNW 10 NNW 10 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 87% 78% 74% 78% 83% 90% 92% 91%
Dew Point 36° 37° 37° 36° 36° 35° 33° 33°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 52° 62° N/A 47°
Low 36° 37° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 13:57 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:44 PM with 13:26 of moolight, then sets at 3:10 AM

Londonderry Weather Report

Late-Week Storm Could Bring Rain, Wind to Boston

April 27, 2015; 11:09 AM ET

Following midweek partial sunshine around Boston, a southern storm could spread wind and rain along the Atlantic coast on at the end of the week. 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

Mon. Snow Day Potential