• Tonight

    Apr 20

    Lo 35°

    Partly cloudy and chilly

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      54°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Apr 21

    66°Lo 44°

    Mostly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      8 mph
  • Tue

    Apr 22

    70°Lo 46°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      11 mph
    more
  • Wed

    Apr 23

    59°Lo 37°

    Cooler with a passing shower

    Fair for home energy
    • Avg
      RealFeel
      47°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      16 mph
    more
  • Thu

    Apr 24

    60°Lo 40°

    Partly sunny and windy

    Fair for home energy
    • Avg
      RealFeel
      44°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      18 mph
    more
Next Previous
Hi 66° RealFeel® 67° Precipitation 4%

Day

N

E

S

W

  • SSE 8 mph
  • Gusts: 14 mph

Mostly sunny and warmer

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 44° RealFeel® 40° Precipitation 13%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 11 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 66° 58° 88° (1957) 50°
Low 44° 42° 21° (1875) 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 13:39 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 AM with 10:14 of moolight, then sets at 11:16 AM

Top Story

Cambridge Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 20, 2014; 7:01 PM ET

After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index