• Today

    Sep 3

    87°Lo 62°

    A thunderstorm in spots

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

    Sep 4

    75°Lo 52°

    Mostly sunny and not as warm

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

    Sep 5

    81°Lo 56°

    Plenty of sunshine

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

    Sep 6

    86°Lo 58°

    Sunny and very warm

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

    Sep 7

    90°Lo 64°

    Sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Mostly Sunny
Mostly Sunny
Partly Cloudy
Mostly Sunny
Temp (°F) 68° 67° 66° 65° 68° 70° 74° 78°
RealFeel® 69° 68° 67° 66° 69° 72° 78° 85°
Humidity 90% 93% 97% 96% 96% 84% 77% 66%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
1%
 
4%
 
4%
 
5%
 
5%
 
5%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 1 SSW 1 SSW 1 SW 2 W 2 NW 4 N 4 NNE 4 NE
UV Index 0 0 0 0 0 1 1 3
Cloud Cover 62% 63% 30% 37% 23% 26% 65% 29%
Dew Point 65° 65° 65° 64° 66° 65° 66° 66°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 87° 77° N/A 82°
Low 62° 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

Derry Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 3, 2015; 4:52 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