• Today

    Apr 17

    45°Lo 28°

    Mostly sunny and chilly

    Beneficial weather for colds
    • Avg
      Temp
      36°
    • Avg
      RealFeel
      31°
    • Hi
      RealFeel
      40°
    more
  • Fri

    Apr 18

    50°Lo 33°

    Partly sunny

    Beneficial weather for colds
    • Avg
      Temp
      42°
    • Avg
      RealFeel
      41°
    • Hi
      RealFeel
      51°
  • Sat

    Apr 19

    61°Lo 34°

    Warmer with clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      47°
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      60°
    more
  • Sun

    Apr 20

    58°Lo 34°

    Intervals of clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      46°
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      59°
    more
  • Mon

    Apr 21

    63°Lo 43°

    Partial sunshine

    Beneficial weather for colds
    • Avg
      Temp
      53°
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      63°
    more
Next Previous
Hi 50° RealFeel® 51° Precipitation 11%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 11 mph

Partly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 33° RealFeel® 33° Precipitation 13%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 7 mph

Cloudy

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 50° 59° N/A 62°
Low 33° 37° N/A 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:30 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:15 PM with 9:56 of moolight, then sets at 9:11 AM

Top Story

Waltham Weather Report

Boston: Chill to Ease Slowly by Easter Weekend

April 16, 2014; 5:47 PM ET

The return of more seasonable temperatures to Boston will coincide with this Easter weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Cold & Flu

Fri. UV Index