• Today

    Jul 30

    86°Lo 68°

    Turning cloudy

    Beneficial weather for colds
    • Avg
      Temp
      77°
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      94°
  • Sun

    Jul 31

    77°Lo 64°

    Rain and drizzle; not as warm

    Beneficial weather for colds
    • Avg
      Temp
      71°
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      82°
    more
  • Mon

    Aug 1

    74°Lo 63°

    Mostly cloudy, a little rain

    Beneficial weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      75°
    more
  • Tue

    Aug 2

    72°Lo 58°

    Clouds and sun with a shower

    Beneficial weather for colds
    • Avg
      Temp
      65°
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      76°
    more
  • Wed

    Aug 3

    80°Lo 60°

    Partly sunny and warmer

    Beneficial weather for colds
    • Avg
      Temp
      70°
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      85°
    more
Next Previous
Next 8 hours >
  Sat
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 81° 83° 85° 86° 86° 85° 83° 81°
RealFeel® 88° 91° 94° 94° 93° 90° 86° 83°
Humidity 55% 50% 50% 48% 49% 51% 53% 57%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 6 NNE 6 NNE 5 NNE 5 NE 6 ENE 6 E 6 E 6 ESE
UV Index 5 6 7 6 5 4 2 1
Cloud Cover 52% 45% 45% 43% 50% 58% 66% 72%
Dew Point 64° 63° 64° 64° 65° 65° 64° 65°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2015
High 86° 82° N/A 90°
Low 68° 61° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:30 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:27 AM with 14:53 of moolight, then sets at 5:20 PM

Waltham Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 10:21 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 >

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Sat. Cold & Flu

Sat. UV Index