• Early AM

    Aug 24

    Lo 59°

    Clear

    Running Weather
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Today

    Aug 24

    90°Lo 64°

    Plenty of sun

    Very Good for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Thu

    Aug 25

    88°Lo 72°

    Partly sunny and more humid

    Very Good for running
    • Precip
      24%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Fri

    Aug 26

    89°Lo 64°

    A thunderstorm in the area

    Good for running
    • Precip
      8%
    • Hours of Precip
      1.5
    • Wind
      Gust
      10 mph
    more
  • Sat

    Aug 27

    86°Lo 59°

    Mostly sunny and pleasant

    Very Good for running
    • Precip
      13%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
Next Previous
Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Clear
Clear
Clear
Clear
Clear
Sunny
Sunny
Temp (°F) 63° 61° 60° 59° 59° 60° 64° 68°
RealFeel® 63° 61° 60° 59° 59° 60° 64° 67°
Humidity 79% 82% 85% 84% 90% 85% 74% 73%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 W 4 W 5 W 4 W 4 WSW 5 WSW 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 12% 0% 0% 0% 0% 0% 0% 0%
Dew Point 56° 56° 56° 54° 56° 56° 56° 59°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 24

more Historical Weather Data >
  Today Normal Record 8/24/2015
High 90° 80° N/A 80°
Low 64° 58° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:29 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:37 PM with 14:34 of moolight, then sets at 2:11 PM

Waltham Weather Report

Heat, humidity to return across northeastern US late this week

August 23, 2016; 11:20 PM ET

Following a fall-like start to the week, warmth and humidity will build over the northeastern United States prior to the weekend. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.