• Today

    Apr 18

    50°Lo 33°

    Clouds and sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      9%
    • Hours of Precip
      0
  • Sat

    Apr 19

    62°Lo 32°

    Warmer with periods of sun

    Unlikely for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Sun

    Apr 20

    58°Lo 32°

    Mostly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Mon

    Apr 21

    66°Lo 40°

    Partly sunny and nice

    Unlikely for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Tue

    Apr 22

    67°Lo 44°

    A passing shower

    Unlikely for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      55%
    • Hours of Precip
      13
    more
Next Previous
Hi 50° RealFeel® 52° Precipitation 9%

Day

N

E

S

W

  • ESE 6 mph
  • Gusts: 10 mph

Clouds and sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 3%
  • 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® 26° Precipitation 12%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 9 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • 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: Milder Weather to Arrive Easter Weekend

April 18, 2014; 4:16 AM ET

The return of milder weather to Boston will coincide with Easter weekend. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index