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Next 5 Days
  • Early AM

    Sep 1

    Clear Lo 64°
    more
  • Today

    Sep 1

    Sunny, warm and humid 85°Lo 61°
    more
  • Wed

    Sep 2

    Mostly sunny and hot 91°Lo 66°
  • Thu

    Sep 3

    Some sun, a t-storm in spots 89°Lo 63°
    more
  • Fri

    Sep 4

    Sunny and cooler but pleasant 75°Lo 52°
    more
< Previous 8 hours Next 8 hours >
  Wed
10am
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 78° 83° 87° 88° 90° 90° 91° 90°
RealFeel® 83° 90° 95° 95° 95° 95° 95° 92°
Humidity 60% 53% 50% 44% 42% 40% 41% 43%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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Snow
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 5 WSW 5 WSW 5 WSW 6 WSW 6 WSW 6 WSW 6 WSW 6 WSW
UV Index 3 4 5 6 5 4 3 2
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 64° 65° 66° 64° 64° 63° 64° 65°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 91° 78° N/A 90°
Low 66° 56° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:08 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:50 PM with 14:05 of moolight, then sets at 11:55 AM

Chelmsford Weather Report

Boston: Sizzling Heat to Start September

September 1, 2015; 1:34 AM ET

July-like warmth and humidity will continue around Boston for the first week of September. more >