• Today

    Sep 1

    84°Lo 62°

    Sunny, warm and humid

    Excellent for driving
    • Precip
      9%
    • Hours of Precip
      0
    • Rain
      0 in
  • Wed

    Sep 2

    91°Lo 65°

    Mostly sunny, hot and humid

    Excellent for driving
    • Precip
      3%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Thu

    Sep 3

    88°Lo 63°

    A thunderstorm in spots

    Good for driving
    • Precip
      40%
    • Hours of Precip
      0.5
    • Rain
      0.04 in
    more
  • Fri

    Sep 4

    74°Lo 50°

    Sunny and cooler but pleasant

    Excellent for driving
    • Precip
      9%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Sep 5

    80°Lo 55°

    Nice with plenty of sunshine

    Excellent for driving
    • Precip
      5%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Clear
Clear
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 64° 63° 66° 70° 73° 76° 79° 81°
RealFeel® 65° 64° 64° 71° 76° 81° 86° 89°
Humidity 87% 89% 82% 82% 73% 63% 56% 54%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 NW 4 NW 4 NW 5 NNW 5 N 5 NNE 5 ENE 4 ENE
UV Index 0 0 0 1 2 3 4 5
Cloud Cover 0% 0% 0% 0% 2% 5% 7% 7%
Dew Point 60° 60° 60° 64° 64° 63° 62° 63°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 84° 78° N/A 87°
Low 62° 56° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:09 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:10 PM with 13:34 of moolight, then sets at 10:44 AM

Waltham 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 >

Travel Weather Forecast

Aug 31, 2015; 6:47 PM ET United States travel weather forecast

Tue. Travel Weather

48 Hour Precipitation Forecast

Tue. Driving Weather