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  • Today

    Jul 29

    Mostly sunny, hot and humid 93°Lo 68°
  • Thu

    Jul 30

    A heavy t-storm in the p.m. 91°Lo 66°
    more
  • Fri

    Jul 31

    Sunny and less humid 87°Lo 63°
    more
  • Sat

    Aug 1

    Mostly sunny 88°Lo 63°
    more
  • Sun

    Aug 2

    Mostly sunny 86°Lo 61°
    more
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Partly Cloudy
Cloudy
Mostly Clear
Cloudy
Mostly Clear
Partly Cloudy
Partly Cloudy
Mostly Sunny
Temp (°F) 72° 71° 69° 68° 67° 66° 67° 68°
RealFeel® 72° 71° 70° 69° 67° 66° 67° 69°
Humidity 76% 80% 83% 86% 84% 90% 84% 80%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
11%
 
8%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 1 W 2 W 2 SSW 2 N 1 WNW 1 SW 2 WNW 2 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 38% 51% 19% 53% 27% 48% 59% 24%
Dew Point 64° 64° 64° 64° 62° 63° 63° 62°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 93° 82° N/A 77°
Low 68° 61° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:35 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:32 PM with 10:10 of moolight, then sets at 4:42 AM

Chelmsford Weather Report

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

July 29, 2015; 10:58 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 >