• Today

    Sep 21

    77°Lo 58°

    Rain, some heavy this morning

    Fair for running
    • Precip
      75%
    • Hours of Precip
      6
    • Wind
      Gust
      8 mph
  • Mon

    Sep 22

    70°Lo 42°

    Breezy with clouds and sun

    Very Good for running
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more
  • Tue

    Sep 23

    69°Lo 44°

    Mostly sunny

    Excellent for running
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      11 mph
    more
  • Wed

    Sep 24

    66°Lo 41°

    Plenty of sun

    Excellent for running
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Thu

    Sep 25

    70°Lo 47°

    Plenty of sun

    Excellent for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Showers
Showers
Showers
Cloudy
Rain
Mostly Cloudy
Rain
Rain
Temp (°F) 61° 61° 61° 62° 65° 67° 71° 74°
RealFeel® 59° 58° 59° 61° 64° 67° 71° 76°
Humidity 93% 93% 93% 97% 93% 89% 83% 79%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
53%
 
60%
 
55%
 
43%
 
51%
 
44%
 
68%
 
68%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 3 S 2 SSW 2 SSW 3 SSW 4 SSW 4 S 5 S 5 S
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 93% 95% 98% 90% 91% 89% 89% 89%
Dew Point 59° 59° 59° 61° 63° 64° 66° 67°
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

Londonderry 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 >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.