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  • Tonight

    Jul 12

    Mostly clear Lo 62°
    more
  • Sun

    Jul 13

    An afternoon thunderstorm 85°Lo 68°
  • Mon

    Jul 14

    Variable clouds, a t-storm 84°Lo 69°
    more
  • Tue

    Jul 15

    Variably cloudy with t-storms 82°Lo 61°
    more
  • Wed

    Jul 16

    A thunderstorm possible 80°Lo 59°
    more
< Previous 8 hours Next 8 hours >
  Sun
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 77° 81° 82° 85° 85° 84° 83° 81°
RealFeel® 80° 84° 86° 89° 86° 85° 83° 80°
Humidity 59% 54% 50% 47% 48% 50% 53% 56%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
6%
 
7%
 
7%
 
11%
 
17%
 
17%
 
22%
 
43%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 7 SSW 8 SSW 8 SSW 9 SSW 9 SSW 9 SSW 9 SSW 9 SSW
UV Index 5 6 7 8 5 4 3 2
Cloud Cover 10% 10% 10% 10% 70% 70% 70% 70%
Dew Point 62° 62° 62° 63° 63° 64° 64° 64°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 85° 82° N/A 78°
Low 68° 61° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:19 AM with 15:04 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:04 PM with 11:00 of moolight, then sets at 8:04 AM

Top Story

Chelmsford Weather Report

Boston: New Week Brings Storm, Flooding Threat

July 12, 2014; 9:43 PM ET

The risk of thunderstorms and flash flooding will return for the new week. more >