• Tonight

    May 19

    Lo 61°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High

  • Mon

    May 20

    87°Lo 64°

    Warmer with partial sunshine

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Tue

    May 21

    87°Lo 64°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Wed

    May 22

    87°Lo 63°

    Clouds and sun with a t-storm

    Extreme indoor dust & dander levels
    • Precip
      58%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more

  • Thu

    May 23

    80°Lo 59°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      59%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      77%
    more
Next Previous
Hi 80° RealFeel® 82° Precipitation 35%

Day

N

E

S

W

  • SSE 5 mph
  • Gusts: 12 mph

Mostly cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 61° RealFeel® 60° Precipitation 25%

Night

N

E

S

W

  • SSE 3 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 - May 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2012
High 80° 73° 91° (1964) 83°
Low 61° 50° 30° (2002) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:30 of sunlight, then sets at 8:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:42 PM with 12:19 of moolight, then sets at 3:01 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps