• Today

    Sep 21

    77°Lo 58°

    A.M. downpours; mostly cloudy

    Fair for lawn mowing
    • Hours of Precip
      5.5
    • Precip
      65%
    • Hi
      RealFeel
      77°
  • Mon

    Sep 22

    69°Lo 43°

    Partly sunny and breezy

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      68°
    more
  • Tue

    Sep 23

    69°Lo 46°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      69°
    more
  • Wed

    Sep 24

    67°Lo 44°

    A full day of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      71°
    more
  • Thu

    Sep 25

    72°Lo 49°

    Plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      75°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Rain
Mostly Cloudy
Rain
Rain
Rain
Cloudy
Mostly Cloudy
Temp (°F) 62° 65° 67° 70° 73° 73° 75° 76°
RealFeel® 61° 64° 67° 70° 74° 74° 77° 77°
Humidity 94% 90% 86% 82% 77% 81% 74% 70%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
43%
 
51%
 
43%
 
64%
 
64%
 
64%
 
25%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 S 5 S 5 S 6 S 6 S 7 S 7 SSE 6 SSE
UV Index 0 1 1 2 2 3 2 2
Cloud Cover 95% 89% 84% 91% 90% 90% 90% 89%
Dew Point 60° 62° 63° 65° 66° 67° 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 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 77° 70° N/A 76°
Low 58° 50° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:14 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 13:21 of moolight, then sets at 5:21 PM

Top Story

Derry Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. 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?

Current Drought Status

Current Soil Conditions

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration