• Early AM

    Sep 3

    Lo 64°

    Clear

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Sep 3

    87°Lo 61°

    A p.m. t-storm in spots

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

    Sep 4

    76°Lo 50°

    Mostly sunny and not as warm

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

    Sep 5

    82°Lo 55°

    Plenty of sunshine

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

    Sep 6

    88°Lo 63°

    Very warm 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
6pm
7pm 8pm 9pm 10pm 11pm Fri
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 81° 78° 76° 73° 71° 70° 69° 68°
RealFeel® 84° 81° 79° 75° 72° 70° 68° 62°
Humidity 64% 74% 77% 80% 86% 84% 80% 82%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
14%
 
18%
 
33%
 
33%
 
36%
 
43%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 5 N 5 NNE 4 NE 4 N 5 NNW 5 NW 5 N 6 NNE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 68° 69° 68° 67° 67° 65° 63° 62°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 87° 77° N/A 82°
Low 61° 57° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:05 of sunlight, then sets at 7:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:31 PM with 14:30 of moolight, then sets at 1:01 PM

Londonderry Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 3, 2015; 1:02 AM ET

The weather through Thursday will bring conditions more common for early July rather than early September, but the summer heat will come to an end by the 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