• Today

    Jul 31

    74°Lo 65°

    Mainly cloudy, a little rain

    Fair for an outdoor bbq
    • Precip
      70%
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      5 mph
  • Mon

    Aug 1

    76°Lo 63°

    Mostly cloudy, a little rain

    Good for an outdoor bbq
    • Precip
      58%
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Aug 2

    76°Lo 58°

    Mostly cloudy with a shower

    Very Good for an outdoor bbq
    • Precip
      53%
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Aug 3

    81°Lo 60°

    Sun and some clouds

    Excellent for an outdoor bbq
    • Precip
      12%
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      5 mph
    more
  • Thu

    Aug 4

    84°Lo 64°

    Mostly sunny

    Excellent for an outdoor bbq
    • Precip
      17%
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      7 mph
    more
Next Previous
Next 8 hours >
  Sun
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Rain
Cloudy
Cloudy
Temp (°F) 70° 69° 69° 69° 70° 71° 72° 73°
RealFeel® 71° 71° 72° 72° 75° 74° 77° 78°
Humidity 84% 91% 89% 88% 89% 87% 85% 83%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
47%
 
34%
 
34%
 
37%
 
47%
 
51%
 
47%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 4 WSW 4 W 4 WNW 5 NNW 5 N 5 NE 6 ENE 6 ENE
UV Index 0 0 1 1 2 3 2 2
Cloud Cover 99% 94% 94% 94% 94% 94% 94% 94%
Dew Point 65° 66° 66° 66° 66° 67° 68° 68°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 74° 82° N/A 87°
Low 65° 61° N/A 61°

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 3:22 AM with 14:53 of moolight, then sets at 6:15 PM

Waltham Weather Report

Soaking storms to elevate flash flood threat in northeastern US through Sunday

July 31, 2016; 5:33 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Sun. Outdoor Entertaining

Sun. Wind Maps

Sun. UV Index