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  • Today

    Jul 29

    Mostly sunny, hot and humid 95°Lo 68°
    more
  • Thu

    Jul 30

    A heavy t-storm in the p.m. 90°Lo 66°
    more
  • Fri

    Jul 31

    Sunny and less humid 88°Lo 61°
    more
  • Sat

    Aug 1

    Sunny and very warm 89°Lo 64°
  • Sun

    Aug 2

    Mostly sunny 87°Lo 61°
    more
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 81° 82° 84° 89° 85° 85° 84° 85°
RealFeel® 83° 85° 88° 93° 89° 88° 87° 86°
Humidity 50% 47% 46% 40% 44% 45% 45% 46%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
5%
 
5%
 
5%
 
4%
 
3%
 
3%
 
3%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WSW 7 SW 8 SW 9 SW 10 WSW 12 WSW 12 WSW 10 WSW
UV Index 3 4 6 7 7 7 6 4
Cloud Cover 4% 9% 13% 13% 12% 13% 16% 21%
Dew Point 61° 60° 61° 62° 62° 62° 61° 62°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 89° 82° N/A 84°
Low 64° 61° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:28 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:45 PM with 11:29 of moolight, then sets at 8:14 AM

Waltham 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 >