• Today

    Jul 28

    95°Lo 68°

    Sun mixing with clouds; hot

    Beneficial weather for colds
    • Avg
      Temp
      82°
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      102°
    more
  • Fri

    Jul 29

    76°Lo 62°

    Heavy rain and a thunderstorm

    Neutral weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      81°
  • Sat

    Jul 30

    84°Lo 62°

    Warmer with clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      73°
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      90°
    more
  • Sun

    Jul 31

    79°Lo 64°

    Mostly cloudy, showers around

    Beneficial weather for colds
    • Avg
      Temp
      72°
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      83°
    more
  • Mon

    Aug 1

    77°Lo 60°

    Spotty showers in the morning

    Beneficial weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      81°
    more
Next Previous
Hi 76° RealFeel® 81° Precipitation 77%

Day

N

E

S

W

  • ENE 5 mph
  • Gusts: 9 mph

Periods of rain, some heavy, and a thunderstorm; cooler; watch for flash flooding

  • Max UV Index: 2 (Low)
  • Thunderstorms: 31%
  • Precipitation: 1.45 in
  • Rain: 1.45 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 8 hrs
  • Hours of Rain: 8 hrs
Lo 62° RealFeel® 62° Precipitation 65%

Night

N

E

S

W

  • NNW 6 mph
  • Gusts: 8 mph

A couple of brief showers early on in the evening; mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2015
High 76° 82° N/A 93°
Low 62° 61° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:32 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:38 AM with 14:40 of moolight, then sets at 4:18 PM

Waltham Weather Report

Heat wave to deteriorate across northeastern US as downpours unleash up to 2 inches of rain

July 28, 2016; 5:11 AM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. 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.

Fri. Cold & Flu

Fri. UV Index