• Tonight

    Apr 20

    Lo 42°

    Clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Mon

    Apr 21

    75°Lo 53°

    Pleasant with periods of sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 22

    62°Lo 39°

    Cooler; morning rain

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    Apr 23

    59°Lo 36°

    Partly sunny and cool

    Low indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      28%
    more
  • Thu

    Apr 24

    69°Lo 47°

    Partly sunny and warmer

    Low indoor dust & dander levels
    • Precip
      16%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 74° RealFeel® 75° Precipitation 0%

Day

N

E

S

W

  • SSE 5 mph
  • Gusts: 12 mph

Sunshine mixing with some clouds

  • Max UV Index: 7 (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 42° RealFeel® 43° Precipitation 5%

Night

N

E

S

W

  • N 1 mph
  • Gusts: 5 mph

Clear

  • 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

Cambridge Pollen Levels - April 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 74° 65° 85° (1985) 48°
Low 42° 41° 25° (1988) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 13:28 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:49 AM with 10:11 of moolight, then sets at 11:00 AM

Is it a Cold or the Flu?

Apr 19, 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?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps