• Today

    Jul 30

    90°Lo 65°

    A heavy t-storm in the p.m.

    Very Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      56%
    • Hi
      RealFeel
      94°
    more
  • Fri

    Jul 31

    86°Lo 62°

    Sunny and less humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      88°
    more
  • Sat

    Aug 1

    86°Lo 63°

    Sun, some clouds

    Excellent for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      25%
    • Hi
      RealFeel
      88°
  • Sun

    Aug 2

    85°Lo 63°

    Mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      15%
    • Hi
      RealFeel
      87°
    more
  • Mon

    Aug 3

    88°Lo 67°

    A thunderstorm possible

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      30%
    • Hi
      RealFeel
      90°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
5pm
6pm 7pm 8pm 9pm 10pm 11pm Sun
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
Temp (°F) 84° 82° 81° 78° 76° 70° 70° 68°
RealFeel® 83° 81° 79° 76° 74° 66° 68° 66°
Humidity 43% 45% 49% 55% 52% 71% 69% 70%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
4%
 
4%
 
7%
 
43%
 
47%
 
51%
 
23%
 
18%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 9 WSW 8 WSW 7 WSW 6 WSW 5 W 5 W 5 WNW 5 W
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 70% 70% 70% 90% 91% 89% 86% 81%
Dew Point 59° 59° 60° 61° 57° 61° 59° 58°
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 - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 86° 82° N/A 84°
Low 63° 63° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:30 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 PM with 11:28 of moolight, then sets at 8:14 AM

Derry Weather Report

Boston: Dog Days of Summer in Store for Rest of Week

July 30, 2015; 4:34 AM ET

Typical hot and humid weather, known as the dog days of summer, is in store for the Boston area during much of this week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Sat. Degree Days

Sat. Evapotranspiration